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  • 01:28 How Bacteria Make A Grappling Hook For Propulsion

    How Bacteria Make A Grappling Hook For Propulsion

    482 views / 1 likes - added

    Bacteria manage to maneuver themselves around in a number of different ways. Learn more http://scim.ag/1M9zCtp

  • 05:54 The X3 Ion Thruster Is Here, This Is How It'll Get Us to Mars

    The X3 Ion Thruster Is Here, This Is How It'll Get Us to Mars

    159 views / 1 likes - added

    The X3 is made possible thanks to a collaboration among NASA, Aerojet Rocketdyne, the Caltech Jet Propulsion Laboratory, and the University of Michigan. It's a new type of propulsion engine that smashed records during test firings. This engine and other e

  • 05:22 Reverse Engineering Europa

    Reverse Engineering Europa

    134 views / 0 likes - added

    http:/www.sciencefriday.comIt could be at least 15 years before NASA lands a mission on Europa, one of Jupiter's moons, to search for signs of life beneath its icy crust. In the mean time, a team led by astrobiologist Kevin Hand of NASA's Jet Propulsion L

  • 01:35 800 UAV drone LED light showing before the Air Show at T-MOTOR HQ

    800 UAV drone LED light showing before the Air Show at T-MOTOR HQ

    115 views / 0 likes - added

    T-MOTOR HQ locates in Nanchang city, where the first Airplane of The People's Republic of China took off. Welcome ! subscribe for more nice ~ info@tmotor.com for the propulsion system solution recommended.

  • 04:19 These Tiny Satellites Could Take on NASA’s Riskiest Missions

    These Tiny Satellites Could Take on NASA’s Riskiest Missions

    362 views / 0 likes - added

    Speaking of Chemistry set a course for JPL to learn about NASA’s plans for cubesats, little satellites with interplanetary aspirations. Not a subscriber? Make it so: http://bit.ly/ACSReactions ↓↓Full description and references below↓↓ Andy Klesh of the Je

  • 05:05 How SlingShot Rides Work

    How SlingShot Rides Work

    111 views / 0 likes - added

    A look at modern slingshot rides and the spring propulsion systems that launch riders to heights exceeding 300 feet.Support Art of Engineering on Patreon:https://www.patreon.com/ArtofEngineeringShop Art of Engineering Merchandise:https://teespring.com/sto

  • 1:28:51 Mission Control Live: NASA InSight Mars Landing

    Mission Control Live: NASA InSight Mars Landing

    307 views / 0 likes - added

    Original air date: November 26, 2018 11 a.m. PT (2 p.m. ET) See inside mission control at NASA’s Jet Propulsion Laboratory as signals return from the InSight mission as it lands on Mars. Landing commentary includes interviews with team members. http

  • 08:38 The Inverse Leidenfrost Effect

    The Inverse Leidenfrost Effect

    129 views / 0 likes - added

    Droplets levitate on a bath of liquid nitrogen and are spontaneously self-propelled. Thanks Audible! Start a 30-day trial and your first audiobook is free. Go to https://audible.com/VERITASIUM or text VERITASIUM to 500500. Special thanks to Dr. Anaïs Gaut

  • 03:45 How Big Do You Think This Spacecraft Is? Guess Again...

    How Big Do You Think This Spacecraft Is? Guess Again...

    393 views / 0 likes - added

    Most images of spacecraft are set in space, so it can be hard to guess their size. We did some digging and the answers might surprise you. This Is Not What Space Looks Like - https://youtu.be/N5rZ9E72zbI Sign Up For The Seeker Newsletter Here - http://bit

  • 03:48 Ion-Powered Rockets Could Take Us to Distant Planets in a Fraction of the Time

    Ion-Powered Rockets Could Take Us to Distant Planets in a Fraction of the Time

    258 views / 0 likes - added

    Chemical rockets got us to the moon, but we'll need something with a little more oomph to catapult us into deep space. Here are our options so far. How NASA Engineers Use Origami to Design Future Spacecraft - https://youtu.be/Ly3hMBD4h5E Read More NASA -

  • 03:53 Heart Cells Are Bringing Robots To Life

    Heart Cells Are Bringing Robots To Life

    469 views / 0 likes - added

    Scientists just created a tiny robot made of metal and rubber but powered by rat heart muscle cells! How do biological hybrid machines work? Nature Is Smarter Than Us - https://youtu.be/4vq8ci4RTUs Sign Up For The Seeker Newsletter Here - http://bit.ly/1U

  • 03:19 How Do You Test the World’s Fastest Jet Engines?

    How Do You Test the World’s Fastest Jet Engines?

    206 views / 0 likes - added

    The U.S. Air Force is home to the fastest jets in the world. It's up to the jet propulsion technicians and maintenance crews to keep their engines up to tip top shape and roaring at full power. Read More Riding Shotgun in a Fighter Jet https://www.seeker.

  • 01:57 Introducing the "Iron man" Gravity Jet Suit

    Introducing the "Iron man" Gravity Jet Suit

    618 views / 1 likes - added

    Richard Browning, Founder and Test Pilot, Gravity industries, introduces special guests to 1000bhp of Gravity Jet Suit. Gravity is a British human propulsion technology start-up. Our mission is to re-imagine the future of manned flight. Follow us for live

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  • 20:38 Ways To Make Simple Matchstick Rocket | Lab 360

    Ways To Make Simple Matchstick Rocket | Lab 360

    26 views / 0 likes - added

    One of the most popular science project out there! Step by step tutorial on how to make a matchstick rocket. Besides being a tool to start a fire, matchsticks can be used to science stuff like making a simple solid propellant rocket. You will learn some b

  • 03:20 How To Not Break A Mars Rover

    How To Not Break A Mars Rover

    384 views / 0 likes - added

    The Mars Yard, at NASA's Jet Propulsion Laboratory, is one of the closest simulations of Mars that we've got. Admittedly, there's a bit more atmosphere and gravity, but it's the only way to test what might happen before sending commands to a rover that's

  • 03:57 The Plan To Get To Mars In Three Days Explained

    The Plan To Get To Mars In Three Days Explained

    456 views / 1 likes - added

    Scientists have just found a possible way to get to Mars in an unprecedented 3 days. What is photon driven propulsion and how does it work? Who Will Win The Race To Mars? ►►►►http://bit.ly/1TwMwtm Sign Up For The TestTube Newsletter Here ►►►► http://bit.l

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  • 01:36 You Are One Step Closer To Riding In A Hyperloop

    You Are One Step Closer To Riding In A Hyperloop

    584 views / 0 likes - added

    Hyperloop One successfully tested its propulsion system in the Nevada desert. It's an important step, but the journey to making the Hyperloop a reality has just begun. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 CONNECT WITH WIR

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  • 02:25 Popular A Real Hoverboard - The Flyboard Air

    A Real Hoverboard - The Flyboard Air

    801 views / 3 likes - added

    Zapata Racing has achieved the dream of mankind and offers you the first video of Franky Zapata flying on the innovation Flyboard® Air. The Independent Propulsion Unit represents 4 years of hard work for a result exceeding all records: - Autonomous fl

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  • 11:49 Meet the First College Students to Launch a Rocket Into Space | WIRED

    Meet the First College Students to Launch a Rocket Into Space | WIRED

    164 views / 0 likes - added

    A team from the University of Southern California's Rocket Propulsion Laboratory became the first student team to launch a rocket into space. WIRED's Arielle Pardes spoke with Neil Tewksbury, the team's Lead Operations Officer, about what it took to make

  • 03:26 Voyager 1's Getting Closer to Earth Right Now

    Voyager 1's Getting Closer to Earth Right Now

    269 views / 0 likes - added

    The Voyager 1 space probe is the furthest man-made object from Earth, and the fastest. But right now, it's moving towards us. Relatively speaking. At Mission Control for the Deep Space Network, inside NASA's Jet Propulsion Laboratory in Pasadena, let's ta

  • 08:43 How Close Are We to Mining in Space?

    How Close Are We to Mining in Space?

    149 views / 0 likes - added

    Asteroids hold untold riches when it comes to untapped resources. We are getting closer to harvesting materials from these celestial objects, but how close are we to mining asteroids? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more How Close

  • 06:09 Why Did We Just Shoot A “Bullet” At An Asteroid?

    Why Did We Just Shoot A “Bullet” At An Asteroid?

    146 views / 0 likes - added

    We keep sending spacecrafts to asteroids, but what makes these floating space rocks so special? Well, they could reveal the secrets about the formation of our solar system. The Mystery of Our First Interstellar Visitor Just Got More Complicated - https://

  • 06:02 Could humanity's return to the moon spark a new age of lunar telescopes?

    Could humanity's return to the moon spark a new age of lunar telescopes?

    119 views / 0 likes - added

    Nearly 50 years after NASA put a small telescope on the Moon, astronomers are dusting off plans for new lunar observatoriesRead more: https://scim.ag/2M0WhBVCreditseditorMeagan Cantwellsupervising producersSarah CrespiDaniel Clery story byDaniel Cleryphot

  • 01:33 This Asteroid Could’ve Caused An Apocalypse—Now It’s Barely Missing Earth

    This Asteroid Could’ve Caused An Apocalypse—Now It’s Barely Missing Earth

    353 views / 0 likes - added

    In 2004 scientists discovered a large, near-earth asteroid named Apophis. Initially, it was predicted to impact the earth in 2029, leading to global devastation. Thankfully, it’s now expected to miss. Physicist Marina Brozovic from NASA’s Jet Propulsion L

  • 04:43 The NASA TRAPPIST-1 Exoplanets - 7 Earth Like Worlds Discovered

    The NASA TRAPPIST-1 Exoplanets - 7 Earth Like Worlds Discovered

    243 views / 0 likes - added

    NASA'S TRAPPIST-1 exoplanet discovery by the NASA Jet Propulsion Laboratory. A treasure trove of planets found by the Spitzer telescope. Seven (7) Earth sized planets discovered orbiting the TRAPPIST-1 ultracool dwarf star. 40 light years away in the cons

  • 05:14 HoloLens + NASA = AMAZING | OOO With Brent Rose

    HoloLens + NASA = AMAZING | OOO With Brent Rose

    320 views / 0 likes - added

    Brent Rose tries out a new “Mixed Reality” software developed by NASA’s Jet Propulsion Lab. The software allows virtual elements to be merged with the user’s actual environment, creating a world in which real and virtual objects can interact. Brent stress

  • 05:56 Meet The NASA Scientist Who Tracks Dangerous Asteroids In Earth’s Orbit

    Meet The NASA Scientist Who Tracks Dangerous Asteroids In Earth’s Orbit

    452 views / 0 likes - added

    As a physicist at NASA’s Jet Propulsion Laboratory, Marina Brozovic studies and measures near-earth asteroids—you know, the ones that can potentially cause catastrophic damage. Watch as Brozovic explains how her team tracks the orbit of these large masses

  • 09:01 Can't Believe How Far This Went!! | GIANT Liquid Nitrogen Rockets w/Alex Mandel

    Can't Believe How Far This Went!! | GIANT Liquid Nitrogen Rockets w/Alex Mandel

    169 views / 0 likes - added

    Thank you Alex https://www.youtube.com/AlexMandelVlogFollow me on Instagram: https://www.instagram.com/nickuhasShare This Video: https://youtu.be/m7Bo9YcmLIQNickipedia Live Show Booking: http://nickipedialive.com/about/DO NOT TRY THIS AT HOME! This experi

  • 12:02 World's Lightest Solid!

    World's Lightest Solid!

    152 views / 0 likes - added

    Aerogels are the world's lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission. The focus of this video is silica aerogels, though graphene aer

  • 12:19 Popular Uranus & Neptune: Crash Course Astronomy #19

    Uranus & Neptune: Crash Course Astronomy #19

    1,188 views / 7 likes - added

    Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird rotation and relativ

  • 03:20 How Long Does It Take to Get to Mars?

    How Long Does It Take to Get to Mars?

    204 views / 1 likes - added

    Mars could be our future home, but only if we figure out a faster way to get there. Watch More Space Crafts! | https://bit.ly/2w0YKD1 Read More: How Far Away is Mars? https://www.space.com/16875-how-far-away-is-mars.html “The distance to Mars depends on w

  • 05:37 The Joy of Cooking Asteroids

    The Joy of Cooking Asteroids

    158 views / 0 likes - added

    Please support our video productions: http://www.patreon.com/scifriThe idea of mining Mars, the moon, or an asteroid for its mineral or water resources isn't far-fetched. NASA, the ESA, and several commercial enterprises already have missions in various s

  • 10:01 To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34

    To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34

    70 views / 0 likes - added

    This week were exploring aerospace engineering and its two main fields: aeronautical engineering and astronautical engineering. Well explore life & buoyancy, propulsion systems, and the challenges of managing the human body in space.Crash Course Engineeri

  • 09:13 NASA Engineered a Box to Create the Fifth State of Matter in Space

    NASA Engineered a Box to Create the Fifth State of Matter in Space

    92 views / 0 likes - added

    Atomic physicists at NASA are working to create an exotic state of matter...in space. And it turns out, the International Space Station is the perfect home base for these experiments. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Focal Poi

  • 01:45 Saturn's Rings Are Disappearing

    Saturn's Rings Are Disappearing

    285 views / 0 likes - added

    Scientists from NASA Goddard have discovered that not only are Saturn's rings younger than previously thought, but also that the rings are actually disappearing at a rapid pace through a process called "ring rain." Learn more about this phenomena in this

  • 11:05 Popular Digestive System, Part 1: Crash Course A&P #33

    Digestive System, Part 1: Crash Course A&P #33

    746 views / 2 likes - added

    Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it through the alime

  • 07:04 How Well Find the Aliens in Our Solar System! | STELLAR

    How Well Find the Aliens in Our Solar System! | STELLAR

    128 views / 0 likes - added

    Thank you to Draper and its Hack the Moon initiative for supporting PBS Digital Studios | Learn more at https://wehackthemoon.com. I got to visit two awesome upcoming NASA missions searching for life in our solar system! The Mars 2020 rover mission target

  • 05:27 NASA Pumpkin Carving Contest w/ LASERS!!!

    NASA Pumpkin Carving Contest w/ LASERS!!!

    357 views / 0 likes - added

    FREE Audio Book- http://bit.ly/AudibleMarkRober The fine folks at NASA's Jet Propulsion Laboratory demonstrate why they are the best ever by showcasing their mad pumpkin carving skills. PLEASE CONSIDER SUBSCRIBING: http://tinyurl.com/MarkRober-Sub *******

  • 15:09 The Super Mario Effect - Tricking Your Brain into Learning More | Mark Rober | TEDxPenn

    The Super Mario Effect - Tricking Your Brain into Learning More | Mark Rober | TEDxPenn

    79 views / 0 likes - added

    When 50,000 of Mark Rober's 3 million YouTube subscribers participated in a basic coding challenge, the data all pointed to what Rober has dubbed the Super Mario Effect. The YouTube star and former NASA engineer describes how this data-backed mindset for

  • 01:46 The Courage To Invent: A NASA Roboticist Tells Her Story | Joe's Big Idea| NPR

    The Courage To Invent: A NASA Roboticist Tells Her Story | Joe's Big Idea| NPR

    188 views / 0 likes - added

    Growing up, Howard was obsessed with creating robots. She earned her Ph.D. in Electrical Engineering and by the time she was 27 she landed her dream job at NASA's Jet Propulsion Laboratory (JPL). Howard describes an experience early on in her career at JP

  • 01:57 Popular NASA has found a planetary system with 7 Earth sized planets, all of which could have liquid water.

    NASA has found a planetary system with 7 Earth sized planets, all of which could have liquid water.

    902 views / 4 likes - added

    Seven Earth-sized planets have been observed by NASA's Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone. Over 21 days, NASA's Spitzer Space Telescope measured t

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  • 09:14 Interstellar Travel: Approaching Light Speed

    Interstellar Travel: Approaching Light Speed

    170 views / 0 likes - added

    Is interstellar travel doomed to remain in the realm of science fiction? Sticking to near future space propulsion only, how close can we get to the speed of light? This video looks at the current spacecraft speed records with Apollo 10 holding the record

  • 06:29 NASA's plan to save Earth from a giant asteroid

    NASA's plan to save Earth from a giant asteroid

    307 views / 0 likes - added

    Don’t panic. /// Sources: Source article: https://www.vox.com/a/asteroid-day Chicxulub impact information: https://www.jpl.nasa.gov/news/news.php?feature=8 NASA JPL: https://www.nasa.gov/asteroid-and-comet-watch NASA asteroid tracking: https://www.jpl.nas

  • 07:18 What is Electricity: AC v DC, Electrostatic, Lightning, Arcs, Sparks

    What is Electricity: AC v DC, Electrostatic, Lightning, Arcs, Sparks

    123 views / 0 likes - added

    What is electricity? How does electricity work? There are many forms of electricity:AC, DC, electrostatic, sparks, arcs, gas discharge and corona discharge, but all are variations of the same principle. This video goes through them all.This is an improved

  • 02:33 MAVEN findings add a missing piece to Mars atmosphere puzzle

    MAVEN findings add a missing piece to Mars atmosphere puzzle

    87 views / 0 likes - added

    Big things have small beginnings. The latest findings of NASA's MAVEN spacecraft have clued in researchers to the nature of Mars's upper atmosphere, a lesser-known area in the mystery of the Red Planet. Thanks to this new research, scientists are honing i

  • 04:25 How The 'Impossible Drive' Could Break Newton's Third Law

    How The 'Impossible Drive' Could Break Newton's Third Law

    363 views / 0 likes - added

    A device called the EM Drive appears to have the ability to break the Third Law of Physics. But does it even work? What Will Rockets Look Like In The Future? - https://youtu.be/fSm3LoZyjjI Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Rea

  • 14:58 Challenger: The Real Story of an Avoidable Disaster

    Challenger: The Real Story of an Avoidable Disaster

    93 views / 0 likes - added

    On January 28, 1986, the Challenger Space Shuttle broke apart just 73 seconds into its flight. All seven crew members aboard were killed and space travel was changed forever. In this episode of #Untold, a new #YouTubeLearning series from ACS, PBS, and You

  • 04:39 How Many People Would We Need To Colonize Another Earth?

    How Many People Would We Need To Colonize Another Earth?

    269 views / 0 likes - added

    Various companies are working to settle on other planets. How long would it take and what issues would we face along the way? Earth-Like Planet Discovered! What You Need To Know - https://youtu.be/NIz42cy0vLQ Sign Up For The Seeker Newsletter Here - http:

  • 08:09 Could You Fart Your Way To The Moon? | Space Time | PBS Digital Studios

    Could You Fart Your Way To The Moon? | Space Time | PBS Digital Studios

    445 views / 2 likes - added

    Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com CAN YOU FART YOUR WAY THROUGH SPACE? Listen, we know you've thought about it, and we're here t

  • 08:03 How to be a cloud detective

    How to be a cloud detective

    40 views / 0 likes - added

    What different clouds mean, explained for kids.Welcome to our first-ever week of programming for kids! If youre standing outside and you look up, youll likely see something familiar above you: clouds! They can be long and skinny, low and rumbly, white and

  • 03:06 German Scientists Just Tested NASA’s EM Drive… Does It Work Now?

    German Scientists Just Tested NASA’s EM Drive… Does It Work Now?

    248 views / 0 likes - added

    Further testing of the EM Drive provides the latest update on the controversial device, but what does this change the future of space travel? *Disclaimer: The researchers of this study want to stress that these are preliminary results and have yet to be c

  • 10:50 Venus: Crash Course Astronomy #14

    Venus: Crash Course Astronomy #14

    617 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

  • 12:22 I Waterproofed Myself With Aerogel!

    I Waterproofed Myself With Aerogel!

    139 views / 0 likes - added

    Aerogel has extraordinary properties but it can be tough to work with. This video looks at modifying aerogels to take advantage of their unique characteristics.Subscribe to Veritasium: https://ve42.co/subHuge thanks to Dr. Stephen Steiner and the crew at

  • 11:14 The Milky Way: Crash Course Astronomy #37

    The Milky Way: Crash Course Astronomy #37

    383 views / 0 likes - added

    Today we’re talking about our galactic neighborhood: The Milky Way. It’s a disk galaxy, a collection of dust, gas, and hundreds of billions of stars, with the Sun located about halfway out from the center. The disk has grand spiral patterns in it, formed

  • 02:44 Scientists Create First-Ever 3-D Model of a Melting Snowflake

    Scientists Create First-Ever 3-D Model of a Melting Snowflake

    339 views / 0 likes - added

    This visualization is based on the first three-dimensional numerical model of melting snowflakes in the atmosphere, developed by scientist Jussi Leinonen of NASA's Jet Propulsion Laboratory in Pasadena, California. A better understanding of how snow melts

  • 05:30 NASAs Gold Box Will Make Oxygen on Mars

    NASAs Gold Box Will Make Oxygen on Mars

    75 views / 0 likes - added

    NASAs next rover mission has a special device aboard thatll do something revolutionary: make oxygen on Mars for the first time. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Focal Point | https://bit.ly/2s0cf7w Visit our shop at http://sho

  • 04:50 This Massive Black Hole Is Blasting a Jet at 99% the Speed of Light

    This Massive Black Hole Is Blasting a Jet at 99% the Speed of Light

    69 views / 0 likes - added

    Jets of particles appear to be streaming from the center of the supermassive black hole M87* faster than the speed of light. But how could that be the case??! Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPl

  • 12:16 Saturn: Crash Course Astronomy #18

    Saturn: Crash Course Astronomy #18

    545 views / 1 likes - added

    Saturn is the crown jewel of the solar system, beautiful and fascinating. It is a gas giant, and has a broad set of rings made of ice particles. Moons create gaps in the rings via their gravity. Saturn has dozens of moons, including Titan, which is as big

  • 10:12 Mars: Crash Course Astronomy #15

    Mars: Crash Course Astronomy #15

    561 views / 3 likes - added

    The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back to Mars's past and make

  • 06:46 What Are Wormholes?

    What Are Wormholes?

    267 views / 0 likes - added

    In science fiction, wormholes are a method often used to travel great distances across space. Are these magic bridges really possible? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter:

  • 12:06 Galaxies, Part 1: Crash Course Astronomy #38

    Galaxies, Part 1: Crash Course Astronomy #38

    395 views / 0 likes - added

    The Milky Way is our neighborhood in the universe. It’s a galaxy and there are many others out there. Galaxies contain gas, dust, and billions of stars or more. They come in four main shapes: elliptical, spiral, peculiar, and irregular. Galaxies can colli

  • 10:42 Inside the Lab That's Turning Moon Water Into Rocket Fuel

    Inside the Lab That's Turning Moon Water Into Rocket Fuel

    83 views / 0 likes - added

    The moons water could serve as a precious resource for deep space exploration, but how do we actually turn it into rocket fuel?Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Focal Point | https://bit.ly/2s0cf7w Visit our shop at http://shop

  • 12:16 When We First Walked

    When We First Walked

    189 views / 0 likes - added

    Try CuriosityStream today: http://curiositystream.com/eons Fossilized footprints have proved that human ancestors were already striding across the landscape 3.6 million years ago. But who started them on that path? What species pioneered this style of loc


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