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  • 15:33 Designing a 7-segment hex decoder

    Designing a 7-segment hex decoder

    314 views / 0 likes - added

    Building a combinational logic circuit to decode 8 bits and display a 3-digit decimal number on 7-segment displays is complex. In this video, I build something much simpler—a circuit that decodes 4 bits to a one-digit hexadecimal display—and even that's p

  • 03:48 How Voltage Fade Prevents Us From Creating the Perfect Battery

    How Voltage Fade Prevents Us From Creating the Perfect Battery

    204 views / 0 likes - added

    Scientist may have just figured out how to reverse the voltage fade in lithium-ion batteries, here’s how How Supercapacitors Could Make Batteries a Thing of the Past - https://youtu.be/GeSvErqdmIM Read More: What’s Causing the Voltage Fade in Lithium-rich

  • 04:49 Why Haven’t Hydrogen Vehicles Taken Over the World Yet?

    Why Haven’t Hydrogen Vehicles Taken Over the World Yet?

    174 views / 0 likes - added

    Hydrogen fuel cells are promoted as efficient and carbon free, but what happened to hydrogen cars? Why a Half Degree Rise in Global Temperature Would Be Catastrophic - https://youtu.be/teZk3NLU_7M Read More: Gas guzzlers reborn: Why your next car could ru

  • 04:49 This Fluoride Battery Could Mean Phone Batteries That Last a Week

    This Fluoride Battery Could Mean Phone Batteries That Last a Week

    211 views / 0 likes - added

    Scientists have been working on this alternative battery design since the 1970s, and now they’ve made a breakthrough. Is this the end of the lithium-ion battery? Batteries! - https://www.youtube.com/watch?v=YAg_8iCLIIw&list=PL6uC-XGZC7X5nglarE119ScPQ_MEyJ

  • 08:06 How Close Are We to Saving the Bees?

    How Close Are We to Saving the Bees?

    197 views / 1 likes - added

    A world without bees would sting, to say the least. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more How Close Are We | http://bit.ly/HCAWplaylist Follow Olivia on Instagram: @OliviaPavcoGCorrection: Our Interview with Dr. Villalobos & scenes

  • 09:57 How Seawater Sabotages Ships: Crash Course Engineering #43

    How Seawater Sabotages Ships: Crash Course Engineering #43

    92 views / 0 likes - added

    This week were headed out to sea for some marine engineering. How do we design ships to handle aquatic environments? How do we deal with marine life and corrosion and all of the other problems that come with engineering in the ocean? How can large maritim

  • 10:27 Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

    Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

    95 views / 0 likes - added

    There are batteries powering so many parts of our everyday lives, so today were going to talk about how they work and how we can make them better. Well explain how they provide power by discharging ions between a cathode and an anode, and how reversing th

  • 02:27 Could Kangaroo Farts Curb Global Warming?

    Could Kangaroo Farts Curb Global Warming?

    56 views / 0 likes - added

    Cows burps release a ton of methane into the atmosphere. Can other animals, like kangaroos, teach us how to make cow gas more eco-friendly?Subscribe! http://bit.ly/1FkxVLb Twitter! https://twitter.com/gross_science Tumblr! http://grossscience.tumblr.com/W


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