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  • 06:00 Negative Externalities

    Negative Externalities

    276 views / 0 likes - added

    Taking negative externalities into account when thinking about the optimal equilibrium price and quantity More free lessons at: http://www.khanacademy.org/video?v=nBw6KvU51BE

  • 05:45 Taxes for Factoring in Negative Externalities

    Taxes for Factoring in Negative Externalities

    308 views / 0 likes - added

    How to factor in negative externalities through taxation More free lessons at: http://www.khanacademy.org/video?v=UYShebe44Xs

  • 07:26 Positive Externalities

    Positive Externalities

    235 views / 0 likes - added

    Factoring in external benefits More free lessons at: http://www.khanacademy.org/video?v=TSTLLFJbaA4

  • 17:40 First Law of Thermodynamics/ Internal Energy

    First Law of Thermodynamics/ Internal Energy

    304 views / 0 likes - added

    First law of thermodynamic and Internal Energy More free lessons at: http://www.khanacademy.org/video?v=Xb05CaG7TsQ

  • 13:45 More on Internal Energy

    More on Internal Energy

    256 views / 0 likes - added

    Getting more intuition of internal energy, heat, and work More free lessons at: http://www.khanacademy.org/video?v=aOSlXuDO4UU

  • 16:56 Proof: U=(3/2)PV or U=(3/2)nRT

    Proof: U=(3/2)PV or U=(3/2)nRT

    434 views / 0 likes - added

    Conceptual proof that the internal energy of an ideal gas system is 3/2 PV. More free lessons at: http://www.khanacademy.org/video?v=qSFY7GKhSRs

  • 12:17 Statistics: Alternate Variance Formulas

    Statistics: Alternate Variance Formulas

    311 views / 0 likes - added

    Playing with the formula for variance of a population. More free lessons at: http://www.khanacademy.org/video?v=sRVGcYGjUk8

  • 12:07 Bailout 10: Moral Hazard

    Bailout 10: Moral Hazard

    396 views / 0 likes - added

    Alternate plans and moral hazard. More free lessons at: http://www.khanacademy.org/video?v=roap32sTgPk

  • 07:18 Linear Algebra: Rule of Sarrus of Determinants

    Linear Algebra: Rule of Sarrus of Determinants

    431 views / 0 likes - added

    A alternative "short cut" for calculating 3x3 determinants (Rule of Sarrus) More free lessons at: http://www.khanacademy.org/video?v=4xFIi0JF2AM

  • 16:08 Linear Algebra: Coordinates with Respect to a Basis

    Linear Algebra: Coordinates with Respect to a Basis

    420 views / 0 likes - added

    Understanding alternate coordinate systems More free lessons at: http://www.khanacademy.org/video?v=uvgru6FcyxU

  • 13:20 Lin Alg: Alternate Basis Tranformation Matrix Example

    Lin Alg: Alternate Basis Tranformation Matrix Example

    530 views / 0 likes - added

    Example of finding the transformation matrix for an alternate basis More free lessons at: http://www.khanacademy.org/video?v=lCRGNykWqFI

  • 12:36 Lin Alg: Alternate Basis Tranformation Matrix Example Part 2

    Lin Alg: Alternate Basis Tranformation Matrix Example Part 2

    406 views / 0 likes - added

    Showing that the transformation matrix with respect to basis B actually works. Brief point on why someone would want to operate in a different basis to begin with. More free lessons at: http://www.khanacademy.org/video?v=EyORbCPUAd4

  • 07:55 Total Internal Reflection

    Total Internal Reflection

    270 views / 0 likes - added

    Critical incident angle and total internal reflection More free lessons at: http://www.khanacademy.org/video?v=WRuatAcd2WY

  • 11:17 Naked Eye Observations: Crash Course Astronomy #2

    Naked Eye Observations: Crash Course Astronomy #2

    417 views / 0 likes - added

    Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of the

  • 09:29 Cycles in the Sky: Crash Course Astronomy #3

    Cycles in the Sky: Crash Course Astronomy #3

    357 views / 0 likes - added

    This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of

  • 10:03 The Gravity of the Situation: Crash Course Astronomy #7

    The Gravity of the Situation: Crash Course Astronomy #7

    464 views / 0 likes - added

    In today's episode, Phil looks at how gravity plays out across the universe. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse -- Gravity is a Force 2:17 Different Types of Orbit 3:41 Escape Velocity 5:30 Weightless Mass 7:0

  • 12:14 War and Nation Building in Latin America: Crash Course World History 225

    War and Nation Building in Latin America: Crash Course World History 225

    550 views / 0 likes - added

    In which John Green teaches you about nation building and nationalism in Latin America. Sometimes, the nations of Latin America get compared to the nations of Europe, and are found wanting. This is kind of a silly comparison. The rise of democratic, econo

  • 11:24 Unit Conversion&Significant Figures: Crash Course Chemistry #2

    Unit Conversion&Significant Figures: Crash Course Chemistry #2

    357 views / 0 likes - added

    A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international system of units. H

  • 09:05 Nomenclature - Crash Course Chemistry #44

    Nomenclature - Crash Course Chemistry #44

    421 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 13:57 Where US Politics Came From: Crash Course US History #9

    Where US Politics Came From: Crash Course US History #9

    417 views / 0 likes - added

    In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything was new and excit

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  • 15:07 Progressive Presidents: Crash Course US History #29

    Progressive Presidents: Crash Course US History #29

    394 views / 1 likes - added

    In which John Green teaches you about the Progressive Presidents, who are not a super-group of former presidents who create complicated, symphonic, rock soundscapes that transport you into a fantasy fugue state. Although that would be awesome. The preside

  • 11:35 Eukaryopolis - The City of Animal Cells: Crash Course Biology #4

    Eukaryopolis - The City of Animal Cells: Crash Course Biology #4

    621 views / 0 likes - added

    Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Se

  • 12:59 DNA Structure and Replication: Crash Course Biology #10

    DNA Structure and Replication: Crash Course Biology #10

    625 views / 0 likes - added

    Hank introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in our cells. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series

  • 14:08 DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

    DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

    539 views / 0 likes - added

    Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins. Crash Course B

  • 11:44 Evolution: It's a Thing - Crash Course Biology #20

    Evolution: It's a Thing - Crash Course Biology #20

    636 views / 0 likes - added

    Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization. Crash Course Biology is now availabl

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  • 09:42 The Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36

    The Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36

    476 views / 0 likes - added

    Hank introduces us to nonvascular plants - liverworts, hornworts&mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it i

  • 11:54 Vascular Plants = Winning! - Crash Course Biology #37

    Vascular Plants = Winning! - Crash Course Biology #37

    384 views / 0 likes - added

    Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can take food and water f

  • 10:24 The Plants&The Bees: Plant Reproduction - CrashCourse Biology #38

    The Plants&The Bees: Plant Reproduction - CrashCourse Biology #38

    423 views / 0 likes - added

    Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they've tricked it out so that it works a whole lot differently compared to the wa

  • 10:46 The Spanish Empire, Silver,&Runaway Inflation: Crash Course World History #25

    The Spanish Empire, Silver,&Runaway Inflation: Crash Course World History #25

    482 views / 0 likes - added

    In which John Green explores how Spain went from being a middling European power to one of the most powerful empires on Earth, thanks to their plunder of the New World in the 16th and 17th centuries. Learn how Spain managed to destroy the two biggest pre-

  • 03:39 Popular Disney's Frozen "Let It Go" Sequence Performed by Idina Menzel

    Disney's Frozen "Let It Go" Sequence Performed by Idina Menzel

    4,657 views / 49 likes - added

    Frozen is now available to own on Blu-ray & Digital HD.In this clip from Disney's "Frozen," Elsa, whose secret powers have just been revealed, flees Arendelle and unleashes her magic, creating a breathtaking ice palace. Performed by the voice of Elsa,

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  • 00:58 SUMMER TOUR ANNOUNCEMENT - WE’RE GOING ON THE ROAD WITH KELLY CLARKSON!!!

    SUMMER TOUR ANNOUNCEMENT - WE’RE GOING ON THE ROAD WITH KELLY CLARKSON!!!

    357 views / 0 likes - added

    For all the tour pre-sale details, visit KellyClarkson.com NOW and check to see if we’re is coming to a city near you. See our upcoming On My Way Home World Tour dates below or head to PTXofficial.com. Can’t wait to see you!! _____________________________

  • 03:44 [Yule Log Audio] The Christmas Song (Chestnuts Roasting on an Open Fire) - Pentatonix

    [Yule Log Audio] The Christmas Song (Chestnuts Roasting on an Open Fire) - Pentatonix

    327 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:26 [Yule Log Audio] O Holy Night - Pentatonix

    [Yule Log Audio] O Holy Night - Pentatonix

    388 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:36 [Yule Log Audio] O Come, O Come Emmanuel - Pentatonix

    [Yule Log Audio] O Come, O Come Emmanuel - Pentatonix

    333 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:12 [Yule Log Audio] Little Drummer Boy - Pentatonix

    [Yule Log Audio] Little Drummer Boy - Pentatonix

    412 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:04 [Yule Log Audio] Go Tell It On the Mountain - Pentatonix

    [Yule Log Audio] Go Tell It On the Mountain - Pentatonix

    331 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:14 [Yule Log Audio] Carol of the Bells - Pentatonix

    [Yule Log Audio] Carol of the Bells - Pentatonix

    584 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:42 Popular [Yule Log Audio] Angels We Have Heard on High - Pentatonix

    [Yule Log Audio] Angels We Have Heard on High - Pentatonix

    1,088 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

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  • 04:24 [Yule Log Audio] This Christmas - Pentatonix

    [Yule Log Audio] This Christmas - Pentatonix

    474 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:04 Pentatonix Holiday Video Guide

    Pentatonix Holiday Video Guide

    320 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:27 [Yule Log Audio] Let it Go - Pentatonix

    [Yule Log Audio] Let it Go - Pentatonix

    371 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:14 [Yule Log Audio] Silent Night - Pentatonix

    [Yule Log Audio] Silent Night - Pentatonix

    421 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:43 [Yule Log Audio] Santa Claus is Coming to Town - Pentatonix

    [Yule Log Audio] Santa Claus is Coming to Town - Pentatonix

    419 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:06 [Yule Log Audio] It's the Most Wonderful Time of the Year - Pentatonix

    [Yule Log Audio] It's the Most Wonderful Time of the Year - Pentatonix

    332 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:08 [Yule Log Audio] Dance of the Sugar Plum Fairy - Pentatonix

    [Yule Log Audio] Dance of the Sugar Plum Fairy - Pentatonix

    322 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:24 [Yule Log Audio] Mary, Did you Know? - Pentatonix

    [Yule Log Audio] Mary, Did you Know? - Pentatonix

    468 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:03 [Yule Log Audio] That's Christmas to Me - Pentatonix

    [Yule Log Audio] That's Christmas to Me - Pentatonix

    360 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:29 [Yule Log Audio] Winter Wonderland / Don't Worry Be Happy - Pentatonix ft Tori Kelly

    [Yule Log Audio] Winter Wonderland / Don't Worry Be Happy - Pentatonix ft Tori Kelly

    368 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:17 [Yule Log Audio] Sleigh Ride - Pentatonix

    [Yule Log Audio] Sleigh Ride - Pentatonix

    375 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:48 [Yule Log Audio] White Winter Hymnal - Pentatonix

    [Yule Log Audio] White Winter Hymnal - Pentatonix

    390 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:10 [Yule Log Audio] Hark! The Herald Angels Sing - Pentatonix

    [Yule Log Audio] Hark! The Herald Angels Sing - Pentatonix

    382 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:21 [Official Video] Dance of the Sugar Plum Fairy - Pentatonix

    [Official Video] Dance of the Sugar Plum Fairy - Pentatonix

    668 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:42 [Official Video] Silent Night (Live) - Pentatonix

    [Official Video] Silent Night (Live) - Pentatonix

    408 views / 3 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:25 [Official Video] That’s Christmas To Me - Pentatonix

    [Official Video] That’s Christmas To Me - Pentatonix

    556 views / 1 likes - added

    WATCH OUR VLOG to Find Out What Christmas Means to PTX http://smarturl.it/PTXtctmVlog 2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smartu

  • 04:05 Popular [Official Video] Mary, Did You Know? - Pentatonix

    [Official Video] Mary, Did You Know? - Pentatonix

    912 views / 17 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY“THAT’S CHRISTMAS TO ME” http://smarturl.it/PTXtctmiT?iqiD=YT | BUY "MARY, DID YOU KNOW?" VIDEO http://smarturl.it/PTXMDYKiTv BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt

  • 03:46 [Official Video] Winter Wonderland/Don’t Worry Be Happy - Pentatonix (ft Tori Kelly)

    [Official Video] Winter Wonderland/Don’t Worry Be Happy - Pentatonix (ft Tori Kelly)

    549 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY“THAT’S CHRISTMAS TO ME” http://smarturl.it/PTXtctmiT?iqiD=YT | BUY "WINTER WONDERLAND/DON'T WORRY BE HAPPY" VIDEO http://smarturl.it/PTXWWiTv BUY PTX VOL III http://smarturl.i

  • 03:10 [Official Video] White Winter Hymnal - Pentatonix (Fleet Foxes Cover)

    [Official Video] White Winter Hymnal - Pentatonix (Fleet Foxes Cover)

    673 views / 8 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT | BUY WHITE WINTER HYMNAL VIDEO http://smarturl.it/PTXWWHiTv BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | B

  • 04:10 Popular [Official Video] Rather Be - Pentatonix (Clean Bandit Cover)

    [Official Video] Rather Be - Pentatonix (Clean Bandit Cover)

    762 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:14 [Official Video] Papaoutai– Pentatonix ft. Lindsey Stirling (Stromae Cover)

    [Official Video] Papaoutai– Pentatonix ft. Lindsey Stirling (Stromae Cover)

    659 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:11 [Official Video] La La Latch - Pentatonix (Sam Smith/Disclosure/Naughty Boy Mashup)

    [Official Video] La La Latch - Pentatonix (Sam Smith/Disclosure/Naughty Boy Mashup)

    622 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:38 Popular [Official Video] Problem - Pentatonix (Ariana Grande Cover)

    [Official Video] Problem - Pentatonix (Ariana Grande Cover)

    2,371 views / 18 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

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  • 03:20 Popular [Official Video] Love Again - Pentatonix

    [Official Video] Love Again - Pentatonix

    1,202 views / 6 likes - added

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  • 03:23 Happy - Pentatonix (Pharrell Cover)

    Happy - Pentatonix (Pharrell Cover)

    469 views / 3 likes - added

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  • 04:40 [Official Video] Say Something - Pentatonix (A Great Big World&Christina Aguilera Cover)

    [Official Video] Say Something - Pentatonix (A Great Big World&Christina Aguilera Cover)

    645 views / 4 likes - added

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  • 04:26 [Official Video] Run to You - Pentatonix

    [Official Video] Run to You - Pentatonix

    424 views / 1 likes - added

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  • 03:24 [Official Video] I Need Your Love - Pentatonix (Calvin Harris feat. Ellie Goulding Cover)

    [Official Video] I Need Your Love - Pentatonix (Calvin Harris feat. Ellie Goulding Cover)

    624 views / 3 likes - added

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  • 04:36 [Official Video] Angels We Have Heard On High - Pentatonix

    [Official Video] Angels We Have Heard On High - Pentatonix

    442 views / 4 likes - added

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  • 04:14 [Official Video] Little Drummer Boy - Pentatonix

    [Official Video] Little Drummer Boy - Pentatonix

    619 views / 3 likes - added

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  • 02:17 [Official Video] Cruisin' for a Bruisin' - Pentatonix

    [Official Video] Cruisin' for a Bruisin' - Pentatonix

    505 views / 2 likes - added

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  • 04:56 [Official Video] Daft Punk - Pentatonix

    [Official Video] Daft Punk - Pentatonix

    659 views / 9 likes - added

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  • 06:11 Evolution of Beyoncé - Pentatonix

    Evolution of Beyoncé - Pentatonix

    393 views / 0 likes - added

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  • 04:31 Popular [Official Video] Royals - Pentatonix (Lorde Cover)

    [Official Video] Royals - Pentatonix (Lorde Cover)

    928 views / 5 likes - added

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    [Official Video] Can't Hold Us - Pentatonix (Macklemore&Ryan Lewis cover)

    664 views / 4 likes - added

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  • 04:29 Evolution of Music - Pentatonix

    Evolution of Music - Pentatonix

    567 views / 1 likes - added

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  • 04:22 Popular [Official Video] Radioactive - Pentatonix&Lindsey Stirling (Imagine Dragons cover)

    [Official Video] Radioactive - Pentatonix&Lindsey Stirling (Imagine Dragons cover)

    1,172 views / 13 likes - added

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  • 03:29 Thrift Shop - Pentatonix (Macklemore&Ryan Lewis cover)

    Thrift Shop - Pentatonix (Macklemore&Ryan Lewis cover)

    447 views / 1 likes - added

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  • 04:37 [Official Video] Save the World/Don't You Worry Child - Pentatonix (Swedish House Mafia Cover)

    [Official Video] Save the World/Don't You Worry Child - Pentatonix (Swedish House Mafia Cover)

    518 views / 3 likes - added

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  • 03:57 NSYNC Medley - Pentatonix

    NSYNC Medley - Pentatonix

    329 views / 0 likes - added

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  • 04:11 Popular [Official Video] Carol of the Bells - Pentatonix

    [Official Video] Carol of the Bells - Pentatonix

    857 views / 5 likes - added

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  • 03:15 [Official Video] Aha! - Pentatonix (Imogen Heap Cover)

    [Official Video] Aha! - Pentatonix (Imogen Heap Cover)

    656 views / 2 likes - added

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  • 03:24 Popular GANGNAM STYLE (강남 스타일) - Pentatonix (PSY Cover)

    GANGNAM STYLE (강남 스타일) - Pentatonix (PSY Cover)

    790 views / 1 likes - added

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  • 03:36 Payphone - Pentatonix (Maroon 5 Cover)

    Payphone - Pentatonix (Maroon 5 Cover)

    478 views / 1 likes - added

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  • 03:40 [Official Video] Starships - Pentatonix (Nicki Minaj Cover)

    [Official Video] Starships - Pentatonix (Nicki Minaj Cover)

    695 views / 4 likes - added

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  • 03:43 As Long As You Love Me / Wide Awake - Pentatonix (Justin Bieber / Katy Perry Cover)

    As Long As You Love Me / Wide Awake - Pentatonix (Justin Bieber / Katy Perry Cover)

    645 views / 1 likes - added

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  • 03:27 We Are Young - Pentatonix (Fun Cover)

    We Are Young - Pentatonix (Fun Cover)

    399 views / 0 likes - added

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  • 03:26 Somebody That I Used To Know - Pentatonix (Gotye cover)

    Somebody That I Used To Know - Pentatonix (Gotye cover)

    660 views / 1 likes - added

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    60-Foot-Wide Asteroid Hurtles Toward Earth

    457 views / 0 likes - added

    In February 2013, a stunning sight in the sky over Russia made international headlines. The light of an asteroid hurtling toward Earth was brighter than the sun. | For more STRIP THE COSMOS, visit http://www.sciencechannel.com/tv-shows/strip-the-cosmos/#m

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    Why Do We Pass Gas? - Purna Kashyap

    391 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/why-do-we-pass-gas-purna-kashyap Flatulence is a daily phenomenon. In fact, most human beings pass gas 10-20 times a day (yes, that includes you)....

  • 05:06 %$?# Allergies!

    %$?# Allergies!

    389 views / 0 likes - added

    It’s the season for sneezin’! Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it’s also about sneezing, watery re

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    Attack Of The Zombie Parasites!

    475 views / 3 likes - added

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  • 06:34 Does My Dog Know What I'm Thinking?

    Does My Dog Know What I'm Thinking?

    521 views / 0 likes - added

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  • 04:32 Where Do Birds Go In Winter?

    Where Do Birds Go In Winter?

    586 views / 1 likes - added

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  • 05:31 Why Are Some People Left-Handed?

    Why Are Some People Left-Handed?

    447 views / 0 likes - added

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  • 06:29 Popular Why Do Clouds Stay Up?

    Why Do Clouds Stay Up?

    703 views / 1 likes - added

    There’s nothing wrong with having your head in the clouds. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Foll

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  • 05:21 Bats: Guardians Of The Night

    Bats: Guardians Of The Night

    566 views / 5 likes - added

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  • 03:11 Where Does The Smell Of Rain Come From?

    Where Does The Smell Of Rain Come From?

    629 views / 0 likes - added

    I smell a science storm a-comin'!! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com References: “Nature of Argil

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  • 02:38 Popular Fantastic Four Official Trailer #1 (2015) - Miles Teller, Michael B. Jordan Movie HD

    Fantastic Four Official Trailer #1 (2015) - Miles Teller, Michael B. Jordan Movie HD

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  • 04:46 How Your Body Knows Left From Right

    How Your Body Knows Left From Right

    390 views / 0 likes - added

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  • 04:25 Why Your Brain Is In Your Head

    Why Your Brain Is In Your Head

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    Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Check out BrainCraft: http://youtu.be/aucscX191vQ Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ Follow

  • 10:50 Venus: Crash Course Astronomy #14

    Venus: Crash Course Astronomy #14

    601 views / 2 likes - added

    Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight -- but it’s beauty is best looked at from afar. Even though Mercury is closer to the sun, Venus is the hottest planet in the solar system, due to a runaway greenhouse effect, and

  • 15:24 RNA Transcription And Translation

    RNA Transcription And Translation

    259 views / 0 likes - added

    RNA transcription and translation

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  • 10:12 Mars: Crash Course Astronomy #15

    Mars: Crash Course Astronomy #15

    542 views / 3 likes - added

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  • 03:14 How To Subtract By Adding

    How To Subtract By Adding

    443 views / 0 likes - added

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  • 02:16 Popular How Big Is The Sun?

    How Big Is The Sun?

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  • 03:11 How Do Airplanes Fly?

    How Do Airplanes Fly?

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  • 04:14 Computer Color Is Broken

    Computer Color Is Broken

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    How Airplanes Are Made

    908 views / 1 likes - added

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  • 10:44 Jupiter: Crash Course Astronomy #16

    Jupiter: Crash Course Astronomy #16

    636 views / 3 likes - added

    Jupiter is the biggest planet in our solar system. The gas giant is NOT a failed star, but a really successful planet! It has a dynamic atmosphere with belts and zones, as well as an enormous red spot that’s actually a persistent hurricane. Jupiter is sti

  • 10:01 Why You Should Embrace Your Stutter | Juan V. Lopez | TEDxUniversityofNevada

    Why You Should Embrace Your Stutter | Juan V. Lopez | TEDxUniversityofNevada

    449 views / 0 likes - added

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  • 11:45 More Professor Q And A - Periodic Table Of Videos- Periodic Table Of Videos

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    539 views / 1 likes - added

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  • 03:07 500th Video - Periodic Table Of Videos

    500th Video - Periodic Table Of Videos

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  • 09:02 Professor Q And A - Periodic Table Of Videos

    Professor Q And A - Periodic Table Of Videos

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  • 02:46 Two Colour Chemiluminescent Clock Reaction - Periodic Table Of Videos

    Two Colour Chemiluminescent Clock Reaction - Periodic Table Of Videos

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  • 05:44 Tsar's Vodka And Gold - Periodic Table Of Videos

    Tsar's Vodka And Gold - Periodic Table Of Videos

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    Magic Jug - Periodic Table Of Videos

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  • 05:00 Rhodium - Periodic Table Of Videos

    Rhodium - Periodic Table Of Videos

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  • 06:41 Xenon Bonds - Periodic Table Of Videos

    Xenon Bonds - Periodic Table Of Videos

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  • 09:53 Radon - Periodic Table Of Videos

    Radon - Periodic Table Of Videos

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    Holy Smoke And A New Pope - Periodic Table Of Videos

    279 views / 0 likes - added

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    238 views / 0 likes - added

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    Element 115 is known as Ununpentium - but a proper name has moved another step closer! Follow us on Facebook at http://www.facebook.com/periodicvideos More chemistry at http://www.periodicvideos.com/ And on Twitter at http://twitter.com/periodicvideos Fro

  • 12:52 Chemical Weapons (Sarin Gas) - Periodic Table Of Videos

    Chemical Weapons (Sarin Gas) - Periodic Table Of Videos

    278 views / 0 likes - added

    Discussing chemical weapons, including Sarin and Mustard Gas. Featuring professors Rob Stockman and Martyn Poliakoff from the University of Nottingham. Extra footage will be at: http://youtu.be/lay6VoWBQek More chemistry at http://www.periodicvideos.com/

  • 05:56 Contains Loud Bangs - Periodic Table Of Videos

    Contains Loud Bangs - Periodic Table Of Videos

    281 views / 0 likes - added

    It's detonation vs deflagration. More slow motion at http://bit.ly/chemslomo More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the Scho

  • 07:21 Mercury And Relativity - Periodic Table Of Videos

    Mercury And Relativity - Periodic Table Of Videos

    362 views / 2 likes - added

    A new paper discusses how relativity plays a role in Mercury's low melting point. Planet Mercury (Sixty Symbols): http://youtu.be/rZU8Y9DIBtI Copernicium: http://youtu.be/fqCdP9Uw5vo Gallium: http://youtu.be/N6ccRvKKwZQ Gold Vault :http://youtu.be/CTtf5s2

  • 06:49 Useful Diamonds - Periodic Table Of Videos

    Useful Diamonds - Periodic Table Of Videos

    346 views / 0 likes - added

    More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Nottingham: http://www.nottingham.ac.uk/

  • 06:02 What If Ice Did Not Float? - Periodic Table Of Videos

    What If Ice Did Not Float? - Periodic Table Of Videos

    275 views / 0 likes - added

    The Professor muses on a world in which ice sinks to the bottom!? See also what if the universe is just a computer simulation: http://www.youtube.com/watch?v=YOxDb_BbXzU Made to coincide with YouTube's Geek Week. More chemistry at http://www.periodicvideo

  • 07:09 Iridium - Periodic Table Of Videos

    Iridium - Periodic Table Of Videos

    290 views / 0 likes - added

    Up close with some big samples of real Iridium. Our thanks to Johnson Matthey. See all the elements at http://bit.ly/118elements Naming Iridium: http://www.youtube.com/watch?v=fe6SjQRzxZQ Gold Vault: http://www.youtube.com/watch?v=CTtf5s2HFkA More chemist

  • 04:31 Copper Sulfate (slow Motion) - Periodic Table Of Videos

    Copper Sulfate (slow Motion) - Periodic Table Of Videos

    317 views / 1 likes - added

    Copper Sulfate and Ammonia at high speed - watch the colour change and precipitation. More chemistry in slow motion: http://bit.ly/chemslomo Featuring Professor Martyn Poliakoff from the University of Nottingham. More chemistry at http://www.periodicvideo

  • 05:48 Platinum - Periodic Table Of Videos

    Platinum - Periodic Table Of Videos

    341 views / 0 likes - added

    Here's a new video about Platinum - but we've done so many here's a platinum playlist: http://bit.ly/PeriodicPt Videos on all the elements:http://bit.ly/118elements More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.faceb

  • 06:40 Barking Dog (slow Motion) - Periodic Table Of Videos

    Barking Dog (slow Motion) - Periodic Table Of Videos

    349 views / 0 likes - added

    Barking Dog reaction at 3000 frames per second. More about filming & editing this video: http://youtu.be/vfKUG11FKGE The Barking Dog is combustion of nirous oxide (laughing gas) and sulfur dioxide. This video features Martyn Poliakoff, Pete Licence and Da

  • 05:26 Liquid Oxygen (slow Motion) - Periodic Table Of Videos

    Liquid Oxygen (slow Motion) - Periodic Table Of Videos

    392 views / 0 likes - added

    Dropping hot charcoal into liquid oxygen - filmed with a high-speed camera. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the Schoo

  • 07:44 Super Expensive Metals - Periodic Table Of Videos

    Super Expensive Metals - Periodic Table Of Videos

    313 views / 0 likes - added

    Inside a Noble Metals factory, where even the dust on your shoes is too valuable to ignore! See also our gold bullion video: http://youtu.be/CTtf5s2HFkA See platinum, iridium, rhodium and palladium (and some gold). Filmed at Johnson Matthey - our thanks t

  • 09:52 Boiling Water - Periodic Table Of Videos

    Boiling Water - Periodic Table Of Videos

    287 views / 0 likes - added

    Original Everest video: http://www.youtube.com/watch?v=JTL4dj3Gx1o This video features Martyn Poliakoff, Samantha Tang and Neil Barnes. Thanks to Buddhi Rai and Chandra Rai for all theri help with the Everest boiling. More chemistry at http://www.periodic

  • 09:29 Water Boiling At Everest - Periodic Table Of Videos

    Water Boiling At Everest - Periodic Table Of Videos

    306 views / 0 likes - added

    Boiling water at various altitudes on the trek from Lukla to Everest Base Camp. Part Two: https://youtu.be/sCh2T9axLyY Nepal Flag: http://bit.ly/10G3Ef3 Everest 8848: http://bit.ly/11ilGvs More scenic clips from Brady's trip: http://bit.ly/12di1M8 Special

  • 01:46 Red-Hot Platinum Ingot - Periodic Table Of Videos

    Red-Hot Platinum Ingot - Periodic Table Of Videos

    390 views / 0 likes - added

    Casting a 4kg platinum ingot. It's worth... well, that depends on today's platinum price! More from our visit: https://www.youtube.com/watch?v=Fg2WzCzKpYU Subscribe to computerphile - http://bit.ly/XqEDYi Filmed at Johnson Matthey - our thanks to them. Mo

  • 05:40 Old School Professor - Periodic Table Of Videos

    Old School Professor - Periodic Table Of Videos

    388 views / 0 likes - added

    Professor Martyn Poliakoff visits Westminster School, where he scored 6 out of 10 on his first chemistry experiment! The Prof gave the annual Tizard Lecture. More at: http://www.youtube.com/watch?v=4CK4WHElb4Q Here is his Nyholm Lecture: http://www.youtub

  • 01:15 Lighting A Splint (slow Motion) - Periodic Table Of Videos

    Lighting A Splint (slow Motion) - Periodic Table Of Videos

    295 views / 0 likes - added

    Just a quick one, but one of Professor Pete Licence's favourite reactions - a glowing splint lights in Oxygen. (yes, Professor!) More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitte

  • 05:31 In The Footsteps Of Tizard - Periodic Table Of Videos

    In The Footsteps Of Tizard - Periodic Table Of Videos

    312 views / 0 likes - added

    Prof T-shirts: http://dftba.com/product/14y/The-Professor-Shirt The Professor discusses the life and work of war-time chemist Henry Tizard - who went to the same school as him! The duo went to Westminster School. More chemistry at http://www.periodicvideo

  • 06:48 Rubidium, Water And Indicator (slow Motion) - Periodic Table Of Videos

    Rubidium, Water And Indicator (slow Motion) - Periodic Table Of Videos

    331 views / 0 likes - added

    We drop Rubidium into water - but with Phenolphthalein in the water to act as an indicator. Discussed by Professor Martyn Poliakoff. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Tw

  • 07:49 Palladium - Periodic Table Of Videos

    Palladium - Periodic Table Of Videos

    298 views / 0 likes - added

    For our updated Palladium video, we are mining the Royal Society archives for the story of its discovery - a tale of money, an asteroid and stolen samples? The discovery was made by William Hyde Wollaston. Royal Society (Romantic Chemistry Exhibition unti

  • 04:16 Caesium In Water (slow Motion) - Periodic Table Of Videos

    Caesium In Water (slow Motion) - Periodic Table Of Videos

    276 views / 0 likes - added

    Everyone's favourite alkali metal - Caesium - reacts with water. Discussed by Professor Martyn Poliakoff. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com

  • 09:03 Seaborgium - Periodic Table Of Videos

    Seaborgium - Periodic Table Of Videos

    314 views / 0 likes - added

    We're at Berkeley for filming of a new video about Seaborgium - a synthetic element named after the legendary Glenn Seaborg. With thanks to Darleane Hoffman and Alexander Pines at the University of California, Berkeley, and to the Lawrence Berkeley Nation

  • 07:32 Musket Firing (slow Motion) - Periodic Table Of Videos

    Musket Firing (slow Motion) - Periodic Table Of Videos

    298 views / 0 likes - added

    Firing a (very old) musket and filming with a (very new) high-speed camera. With thanks to Jim Gamble. Also discussed by Professor Martyn Poliakoff. Ebay auction has ended. Music courtesy of Henrik 'Appe' Johansson. More chemistry at http://www.periodicvi

  • 09:43 Smelly Chemistry - Periodic Table Of Videos

    Smelly Chemistry - Periodic Table Of Videos

    294 views / 0 likes - added

    Mercaptans - or Thiols - are some of the smelliest chemicals around. We didn't dare open the bottle. PsyFile: https://www.youtube.com/psyfile More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos

  • 05:43 Sodium V Water (slow Motion) - Periodic Table Of Videos

    Sodium V Water (slow Motion) - Periodic Table Of Videos

    455 views / 0 likes - added

    A water droplet lands on a piece of molten sodium - you know the rest! Discussed by Professor Martyn Poliakoff. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitt

  • 06:24 Iodine Clock (slow Motion) - Periodic Table Of Videos

    Iodine Clock (slow Motion) - Periodic Table Of Videos

    297 views / 0 likes - added

    See the famous Iodine Clock reaction filmed with a high-speed camera. Explained by Professor Martyn Poliakoff. Also featuring Dr Samantha Tang. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideo

  • 04:39 Famous Science Spectacles - Periodic Table Of Videos

    Famous Science Spectacles - Periodic Table Of Videos

    286 views / 0 likes - added

    Joseph Priestley made a famous discovery - but it seems his eyesight wasn't too good? Royal Society (Romantic Chemistry Exhibition until June 14): http://royalsociety.org/events/2012/romantic-chemistry/ Professor Martyn Poliakoff is Foreign Secretary of t

  • 05:34 Hydrogen Explosions (slow Motion) - Periodic Table Of Videos

    Hydrogen Explosions (slow Motion) - Periodic Table Of Videos

    317 views / 0 likes - added

    High-speed footage of Hydrogen explosions, with and without Oxygen added to the initial mixture. Professor Martyn Poliakoff discusses, - and muses over questions about our previous hydrogen videos. Watch videos about EVERY element: http://bit.ly/VT9nNZ Re

  • 04:39 High Speed Chemistry - Periodic Table Of Videos

    High Speed Chemistry - Periodic Table Of Videos

    437 views / 0 likes - added

    Filming chemistry with a high-speed camera - main videos coming soon, but here's a preview and chance to see someone stroke The Prof's hair! Reactions filmed with a Phantom Miro (awesome!). We used this: http://www.visionresearch.com/Products/High-Speed-C

  • 08:09 Chemistry Dubstep (behind The Scenes)

    Chemistry Dubstep (behind The Scenes)

    336 views / 0 likes - added

    How Dave and Adam created out chemistry dusbtep video - see the main video at http://www.youtube.com/watch?v=TcvZL6fx-lU Visit Dave and Adam's channel at: http://bit.ly/boyinaband More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at h

  • 02:39 Chemistry Dubstep

    Chemistry Dubstep

    352 views / 0 likes - added

    Check these samples. Created solely from sounds recorded in our labs. Music/video by Dave & Adam - check their channel for more creations: http://bit.ly/boyinaband Behind the scenes (including interview with Dave and Adam): http://www.youtube.com/watch?v=

  • 06:49 Gold Bullion Vault - Periodic Table Of Videos

    Gold Bullion Vault - Periodic Table Of Videos

    539 views / 1 likes - added

    We're INSIDE a Gold Bullion Vault. The Bank of England protects about £197 billion ($315bn) worth of gold, according to the mostly recently published figures. Film by Brady Haran. Featuring Professor Martyn Poliakoff. The vaults are off limits, but the Ba

  • 05:46 Neptunium - Periodic Table Of Videos

    Neptunium - Periodic Table Of Videos

    329 views / 0 likes - added

    We get a close-up look at Neptunium during a visit to the National Nuclear Laboratory at Sellafield. This video features Mark Sarsfield from NNL - and periodicvideos regulars Steve Liddle and Martyn Poliakoff from the University of Nottingham. With thanks

  • 08:00 Nobel Prize Parking Spaces - Periodic Table Of Videos

    Nobel Prize Parking Spaces - Periodic Table Of Videos

    268 views / 0 likes - added

    ...and other tales from our visit to Berkeley. With thanks to the distinguished (and gracious) Darleane Hoffman and Alexander Pines. More videos from our trip to Berkeley will be coming soon, including more about Glenn Seaborg. Since filming, Prof Pines h

  • 02:44 Explosives Legend - Periodic Table Of Videos

    Explosives Legend - Periodic Table Of Videos

    295 views / 0 likes - added

    The Professor oversees the installation of a "blue plaque" for the late great Colonel BD Shaw. See out-takes from this video (and why Brady gets angry at truck drivers) at: http://www.youtube.com/watch?v=LN7BLUWBuBI More chemistry at http://www.periodicvi

  • 04:30 Losing Fingers To Chemistry - Periodic Table Of Videos

    Losing Fingers To Chemistry - Periodic Table Of Videos

    362 views / 0 likes - added

    The Prof is back in the lab with a Potassium Dichromate reaction and a story of lost fingers! More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvid

  • 01:38 Disney's Tomorrowland - Citizens Of Tomorrowland

    Disney's Tomorrowland - Citizens Of Tomorrowland

    309 views / 0 likes - added

    Disney's Tomorrowland comes to theaters May 22, 2015! From Disney comes two-time Oscar® winner Brad Bird’s “Tomorrowland,” a riveting mystery adventure starring Academy Award® winner George Clooney. Bound by a shared destiny, former boy-genius Frank (Cloo

  • 06:40 The Tortoise And The Hare - W/ DearNaptural85 - Story Circle At Cool School

    The Tortoise And The Hare - W/ DearNaptural85 - Story Circle At Cool School

    381 views / 0 likes - added

    Check out "Jack and the Beanstalk" here: http://bit.ly/1GPf6jb DearNaptural85 is back at Cool School! This time, Whitney is reading "The Tortoise and the Hare" for The Story Circle. Check out our new twist on this classic Aesop's fable! SUBSCRIBE!! http:/

  • 05:12 The Little Red Hen W/ AprilJustinTV - Story Circle At Cool School

    The Little Red Hen W/ AprilJustinTV - Story Circle At Cool School

    368 views / 0 likes - added

    See the latest episode - Whitney from DearNaptural85 reading Rapunzel here: http://bit.ly/1xtERj7 This episode of Story Circle here at Cool School features our friends April, Justin, and Liam from AprilJustinTV! Get ready for The Little Red Hen! SUBSCRIBE

  • 05:18 Popular Curious George Inspired Sock Monkey Craft | Crafts For Kids W/ Crafty Carol | Cool School

    Curious George Inspired Sock Monkey Craft | Crafts For Kids W/ Crafty Carol | Cool School

    917 views / 1 likes - added

    Happy Holidays! Crafty Carol gets inspired by "Curious George: A Very Monkey Christmas" and shows you how to make your very own sock monkey holiday ornament! Let's get crafty! See more with Curious George right here! https://www.youtube.com/watch?v=OlgNlQ

  • 04:01 The Jungle Book With The LaVigne Life - Story Circle At Cool School

    The Jungle Book With The LaVigne Life - Story Circle At Cool School

    367 views / 0 likes - added

    See the latest episode - Whitney from DearNaptural85 reading Rapunzel here: http://bit.ly/1xtERj7 Check out our friends The LaVignes from The LaVigne Life reading The Jungle Book for the Story Circle at Cool School! SUBSCRIBE!! http://bit.ly/18enloo See m

  • 05:29 The Princess & The Frog Prince With ItsJudysLife - Story Circle At Cool School

    The Princess & The Frog Prince With ItsJudysLife - Story Circle At Cool School

    434 views / 0 likes - added

    See the latest episode - Whitney from DearNaptural85 reading Rapunzel here: http://bit.ly/1xtERj7 Check out our friends Judy and Julianna Bear from It's Judy's Life reading The Frog Prince for the Story Circle at Cool School! SUBSCRIBE!! http://bit.ly/18e

  • 05:42 Peter Pan - New Story - GabeBabeTV On The Story Circle

    Peter Pan - New Story - GabeBabeTV On The Story Circle

    380 views / 0 likes - added

    Previous episode: DearNaptural85 reads "Rapunzel" right here: http://bit.ly/1tl2pAE Check out "Peter Pan" here at The Story Circle at Cool School! Our friends Gabrielle, Chad, and Ceej from GabeBabeTV join us to put a fun, new spin on a favorite classic!

  • 07:00 Rapunzel W/ DearNaptural85 - Story Circle At Cool School

    Rapunzel W/ DearNaptural85 - Story Circle At Cool School

    433 views / 0 likes - added

    Previous episode: AprilJustinTV read "The Little Red Hen" right here: http://bit.ly/1E8GxOK Get ready for "Rapunzel" here at The Story Circle at Cool School! Our friends Whitney and Olivia from DearNaptural85 join us to read one of our favorite classic fa

  • 06:03 Vanadium (new) - Periodic Table Of Videos

    Vanadium (new) - Periodic Table Of Videos

    347 views / 1 likes - added

    New video on the element Vanadium. See also Bismuth Vanadate: https://youtu.be/DQYoWAKJTFc Videos on all the elements: http://bit.ly/118elements This video features Dr Darren Walsh and Professor Sir Martyn Poliakoff. And Neil's hands. More chemistry at ht

  • 03:39 Methane Explosion (SLOW MOTION) - Periodic Table Of Videos

    Methane Explosion (SLOW MOTION) - Periodic Table Of Videos

    367 views / 0 likes - added

    A methane-oxygen mix ensures a bigger bang! See our original methane video at: https://youtu.be/yXB3ULFKl0o Wallabies and methane: https://youtu.be/6n7ARh7rNFU Planar methane: https://youtu.be/b_L9DcGiXyc Methane Playlist: https://www.youtube.com/playlist

  • 09:32 Manganese (new) - Periodic Table Of Videos

    Manganese (new) - Periodic Table Of Videos

    335 views / 0 likes - added

    A new video on the element Manganese. Reddit discussion: http://redd.it/2yhmrv Featuring Sir Martyn Poliakoff and Dr Samantha Tang. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twi

  • 05:28 Chicken In Acid Conclusion - Periodic Table Of Videos

    Chicken In Acid Conclusion - Periodic Table Of Videos

    285 views / 0 likes - added

    Continues from: http://youtu.be/oipksRhISfM New channel - Objectivity: http://bit.ly/Objectivity Join Brady's mailing list: http://eepurl.com/YdjL9 More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicv

  • 07:42 Flesh-Eating Hydrofluoric Acid - Periodic Table Of Videos

    Flesh-Eating Hydrofluoric Acid - Periodic Table Of Videos

    386 views / 0 likes - added

    We dunk chicken drumsticks in dreaded Hydrofluoric Acid, along with Hydrochloric Acid and Sulfuric Acid. What do you think might happen? SECOND PART: https://www.youtube.com/watch?v=NGaOcp33rHw Fluorine reactions: http://youtu.be/vtWp45Eewtw Lightbulb in

  • 01:32 Special Spectroscope - Periodic Table Of Videos

    Special Spectroscope - Periodic Table Of Videos

    334 views / 0 likes - added

    We came across the personal spectroscope carried about by CV Raman - the inventor of Raman Spectroscopy. India Playlist: http://bit.ly/India_Videos OBJECTIVITY (new channel by Brady): http://bit.ly/Objectivity More chemistry at http://www.periodicvideos.c

  • 07:49 Diamonds, Pearls And Atomic Bomb Stones - Periodic Table Of Videos

    Diamonds, Pearls And Atomic Bomb Stones - Periodic Table Of Videos

    340 views / 0 likes - added

    The Professor investigates the mineral collection of the great Indian scientist CV Raman. India Playlist: http://bit.ly/India_Videos OBJECTIVITY (new channel by Brady): http://bit.ly/Objectivity More chemistry at http://www.periodicvideos.com/ Follow us o

  • 07:37 Knighthood For The Professor

    Knighthood For The Professor

    315 views / 0 likes - added

    Our very own Professor Poliakoff has become Sir Martyn... He received a knighthood in the UK's New Year's Honours List. This video also features a "recent knight" - University of Nottingham Vice-Chancellor, Sir David Greenaway. Full interview with Sir Dav

  • 03:38 The New Yellow  - Periodic Table Of Videos

    The New Yellow - Periodic Table Of Videos

    433 views / 0 likes - added

    Bismuth Vanadate is a good yellow pigment because it is less toxic than alternatives, such as lead chromate and cadmium sulfide. Objectivity: http://bit.ly/Objectivity This video features Professor Sir Martyn Poliakoff. More chemistry at http://www.period

  • 01:09 Neil - Periodic Table Of Videos

    Neil - Periodic Table Of Videos

    350 views / 0 likes - added

    Neil Barnes - Senior Technician. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Notting

  • 05:17 Chlorine And War - Periodic Table Of Videos

    Chlorine And War - Periodic Table Of Videos

    374 views / 0 likes - added

    A video to coincide with 100 years since Chlorine was first used as a weapon of war. Chlorine: https://youtu.be/BXCfBl4rmh0 Sarin Gas: https://youtu.be/jozozH09XSs More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebo

  • 05:23 Horizontal Barking Dog - Periodic Table Of Videos

    Horizontal Barking Dog - Periodic Table Of Videos

    374 views / 0 likes - added

    It's our favourite "Barking Dog" experiment - but in a new position. Previous Barking Dog videos: http://bit.ly/Barking_Dog Featuring The Professor (Sir Martyn Poliakoff) and senior technician Neil Barnes. More chemistry at http://www.periodicvideos.com/

  • 02:31 100 Candles - Periodic Table Of Videos

    100 Candles - Periodic Table Of Videos

    461 views / 0 likes - added

    A short clip from the 100th birthday celebration for Dan Eley, FRS, held at the University of Nottingham. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com

  • 04:20 Fake Snow - Periodic Table Of Videos

    Fake Snow - Periodic Table Of Videos

    355 views / 0 likes - added

    Professor Poliakoff discusses Sodium polyacrylate - which has a variety of uses including artificial snow! Even buy some on Amazon: http://amzn.to/1B22sqd More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/pe

  • 04:34 Raman's Nobel Prize (and Walking Stick) - Periodic Table Of Videos

    Raman's Nobel Prize (and Walking Stick) - Periodic Table Of Videos

    298 views / 0 likes - added

    The Professor shares some treasures from the life of great scientist and 1930 Nobel Prize winner, CV Raman. More treasures coming your way - subscribe here: http://bit.ly/Objectivity (Brady's new channel) India Playlist: http://bit.ly/India_Videos About R

  • 04:27 Sodium Hydride (SLOW MOTION) - Periodic Table Of Videos

    Sodium Hydride (SLOW MOTION) - Periodic Table Of Videos

    342 views / 0 likes - added

    On Reddit: http://redd.it/2o5pfc Sodium Hydride in water with Phenolphthalein to indicate the base created. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.c

  • 01:43 Proffies - The Professor's Selfies

    Proffies - The Professor's Selfies

    305 views / 0 likes - added

    This is the video shown by Professor Poliakoff during his closing remarks at the Commonwealth Science Conference 2014. ALL HIS SELFIES: http://bit.ly/Proffies ALL VIEWER SELFIES: http://bit.ly/CommSelfies Commonwealth Science Conference 2014: http://commo

  • 05:05 Light Bulb In Hydrofluoric Acid (HF)

    Light Bulb In Hydrofluoric Acid (HF)

    361 views / 0 likes - added

    We dunk a glowing lightbulb in HF - an acid famed for being disagreeable with glass. Discuss on Brady's subreddit: http://redd.it/2mrnyw More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And o

  • 01:34 Periodic Table Of Lessons

    Periodic Table Of Lessons

    338 views / 0 likes - added

    See our collaboration with TED-Ed here: http://ed.ted.com/periodic-videos More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School

  • 07:39 Seaborgium Chemistry - Periodic Table Of Videos

    Seaborgium Chemistry - Periodic Table Of Videos

    359 views / 0 likes - added

    Scientists create Seaborgium hexacarbonyl from the short-lived element. More on Seaborgium: http://youtu.be/UWq0djr790E More on heavy elements: http://youtu.be/z3oY-XHwss8 The paper referenced in this video (subscription only) at: http://www.sciencemag.or

  • 07:21 2014 Nobel Prize In Chemistry - Periodic Table Of Videos

    2014 Nobel Prize In Chemistry - Periodic Table Of Videos

    377 views / 0 likes - added

    The 2014 Nobel Prize in Chemistry is awarded to Eric Betzig, Stefan Hell and William Moerner. More chem Nobel Prizes: http://bit.ly/periodicnobel The 2014 Physics Nobel Prize: http://youtu.be/_DjHR4PWYOs Hair in microscope: http://youtu.be/cQU2IAsQak8 DNA

  • 07:30 How To Make Carbon Dioxide (The Old-Fashioned Way)

    How To Make Carbon Dioxide (The Old-Fashioned Way)

    439 views / 0 likes - added

    REDDIT DISCUSSION: http://redd.it/2hbyqk Before bottled gas was delivered, chemists would make their carbon dioxide with a Kipp's Apparatus. Dr Samantha Tang (with Neil, of course) dusted off the one stored on Professor Poliakoff's window sill. More chemi

  • 04:13 Huge Fire At Our Chemistry Building

    Huge Fire At Our Chemistry Building

    354 views / 0 likes - added

    Professor Poliakoff on the blaze at the University of Nottingham's new chemistry building. Blog by the university's Vice-Chancellor at: http://bit.ly/VCNottsFire More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook

  • 07:06 Protactinium (new) - Periodic Table Of Videos

    Protactinium (new) - Periodic Table Of Videos

    385 views / 0 likes - added

    Here's a new video about Protactinium, number 91 on the periodic table! Videos on all 118 elements: http://bit.ly/118elements Eric Scerri's book (UK): http://bit.ly/SevenScerriUK And (US): http://bit.ly/SevenScerriUS (*) Isotope 238 has half life 6.8 hrs

  • 06:15 Exploding Pianos - Periodic Table Of Videos

    Exploding Pianos - Periodic Table Of Videos

    366 views / 1 likes - added

    Reddit discussion: http://redd.it/2fw130 The Professor uncovers some old footage with an amazing story. Exploding pianos created by the legendary BD Shaw as part of his expert testimony. Flour and flash pot were put in a piano with terrible results. More

  • 07:20 Six Cameras - One Reaction

    Six Cameras - One Reaction

    431 views / 0 likes - added

    Well, one reaction done twice! Behind the scenes on our Bakelite Reaction video, which was filmed from six camera angles (including three spectators using their phones!) Main video: http://youtu.be/Vlh0YDRmZ0I More chemistry at http://www.periodicvideos.c

  • 07:44 Making Bakelite - Periodic Table Of Videos

    Making Bakelite - Periodic Table Of Videos

    334 views / 0 likes - added

    An audience in the lab as we make some Bakelite. Featuring Dr Darren Walsh and Professor Martyn Poliakoff. You can discuss this one on Brady's new subreddit too: http://redd.it/2e2pqe More chemistry at http://www.periodicvideos.com/ Follow us on Facebook

  • 06:40 The Lord Of Chemistry - Periodic Table Of Videos

    The Lord Of Chemistry - Periodic Table Of Videos

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    Distinguished chemist Jack Lewis passed away last month. As a member of the UK's House of Lords, he was Baron Lewis of Newnham. Nitrogen Tetroxide: http://youtu.be/JLCrZGgKD-k Rosetta: http://youtu.be/XEfKq-pQBcc More chemistry at http://www.periodicvideo

  • 03:06 Precious Metals In The Post

    Precious Metals In The Post

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    An amazing piece of fan mail. Precious metals video: http://youtu.be/Fg2WzCzKpYU Gold Vault video: http://youtu.be/CTtf5s2HFkA More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter

  • 04:11 Periodic Table Clock (Certified As AMAZING)

    Periodic Table Clock (Certified As AMAZING)

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    For periodic table enthusiasts like us, this clock is pretty amazing! A video on every element: http://bit.ly/118elements Watches on Numberphile: http://youtu.be/kOClr_bew38 Here are some periodic table clocks, but alas not the main one in this video... U

  • 03:19 Why Do Ice Cubes Crack In Drinks? (SLOW MOTION)

    Why Do Ice Cubes Crack In Drinks? (SLOW MOTION)

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    Dropping ice cubes in water (and liquid nitrogen) produce interesting results. Differential expansion. More slow motion from periodic videos: http://bit.ly/chemslomo Follow us on Facebook at http://www.facebook.com/periodicvideos More chemistry at http://

  • 04:21 Oscillating Reaction - Periodic Table Of Videos

    Oscillating Reaction - Periodic Table Of Videos

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    Example of a Belousov--Zhabotinsky reaction (or BZ reaction). Featuring Professor Martyn Poliakoff from the University of Nottingham. And the hands of Dr Samantha Tang! More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.f

  • 09:27 Niobium (new) - Periodic Table Of Videos

    Niobium (new) - Periodic Table Of Videos

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    Updated video on the element Niobium (41), discovered by carriage-maker Charles Hatchett and originally named Columbium. A video about every element: http://bit.ly/118elements Sixty Symbols: https://www.youtube.com/sixtysymbols More chemistry at http://ww

  • 09:24 Feynmanium (?) - Periodic Table Of Videos

    Feynmanium (?) - Periodic Table Of Videos

    428 views / 1 likes - added

    A video about every element: http://bit.ly/118elements With confirmation of element 117, people are speculating about possible names. Would Nobel-Prize winning physicist Richard Feynman be a good choice? (Some have suggested the speculated element 137 sho

  • 02:44 Another Box

    Another Box

    311 views / 0 likes - added

    Here's the previous video (including all about the reactor): http://youtu.be/D8-8r0wNgiY More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos F

  • 03:37 Aluminium Powder Ignites In Slow Motion - Periodic Table Of Videos

    Aluminium Powder Ignites In Slow Motion - Periodic Table Of Videos

    335 views / 0 likes - added

    Latest in our videos from Aluminium Week!!! See more: http://bit.ly/Aluminium13 (and more to come) Slow mo music by Alan Stewart: http://bit.ly/1sdwTHF Real time music by Vate: http://www.vate.com.mx/en/ More chemistry at http://www.periodicvideos.com/ Fo

  • 11:52 Aluminium (or Aluminum) - Periodic Table Of Videos

    Aluminium (or Aluminum) - Periodic Table Of Videos

    366 views / 0 likes - added

    All about Element 13, whatever you want to call it! Slow motion: http://youtu.be/FhG2e6mpdEY Triethylaluminium: http://youtu.be/RfeaffoWajc A bit extra from this interview: http://youtu.be/DOTrZiUnq5o Copper Chloride: http://youtu.be/OQPwPGDQqzs Featuring


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