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  • 11:33 Popular Asteroids: Crash Course Astronomy #20

    Asteroids: Crash Course Astronomy #20

    714 views / 1 likes - added

    Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter,

  • 05:24 3 Brand New Colors That Scientists Discovered

    3 Brand New Colors That Scientists Discovered

    640 views / 1 likes - added

    For millennia, we mostly had to make do with natural pigments and dyes, but in the last 300 years or so, chemical synthesis has revolutionized the colors of our world. We're conducting a survey of our viewers! If you have time, please give us feedback: ht

  • 05:20 The One Where We Put Stuff in Acid

    The One Where We Put Stuff in Acid

    683 views / 0 likes - added

    Subscribe! http://bit.ly/ACSReactions Acids are reactive, and even weak acids like vinegar can wow students with their reactivity. But strong acids can really put on a show, dissolving otherwise relatively inert metals. And aqua regia, or royal water, is

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  • 20:06 Asteroid Impact: What Are Our Chances?

    Asteroid Impact: What Are Our Chances?

    308 views / 1 likes - added

    Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth. Thanks to Kiwico for sponsoring this video. For 50% off your first month of any crate, go to https://kiwico.com/veritasium50 For other potential world ending catastroph

  • 07:32 Astronomer Explains How NASA Detects Asteroids | WIRED

    Astronomer Explains How NASA Detects Asteroids | WIRED

    164 views / 0 likes - added

    It's the end of the world in "Don't Look Up," and it's all thanks to a comet heading straight towards Earth. Dr. Amy Mainzer, a science consultant on "Don't Look Up," breaks down a few scenes from the film and explores the science behind near-Earth object

  • 15:52 Recycling plastics  Resource efficiency with an optimized sorting method

    Recycling plastics Resource efficiency with an optimized sorting method

    162 views / 0 likes - added

    In Germany alone, two and a half million tons of plastic packaging land in the yellow trash can. German households pre-sort their garbage into four separate trash cans; yellow for plastics, brown for compost; blue for paper and black for non-recyclables.


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