Vantablack is a pigment made from carbon that is so black that anything painted with it looks like a hole in reality. It absorbs 99.965% of visible light. The Action Lab Man made something even blacker than Vantablack, then shines lights and lasers onto it to see if it visibly reflects the light. He uses marks made with a black Sharpie and a paint called Black 2 (which absorbs 95% of visible light) to compare how well his black square absorbs light. There's a surprising reveal at the end.
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9:51 am Mon
Nov 12, 2018
How to make something that's darker than Vantablack
How to improve your rubber band shooting with science!
When I was very little, my big brother brought me in to school for show-and-tell. In the lunchroom, a kid fired a rubber band that hit me right in the face. I still remember the welt. This fascinating video uses high-speed footage to explain the physics behind this age-old form of weaponry. It also reminded […]
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Watch Carl Sagan's classic lecture series for kids and adults
In 1977, just a few months after Voyager 1 and 2 began their grand tour of the solar system, Carl Sagan gave the esteemed Christmas Lectures at the Royal Institution of Great Britain. You can watch them below via YouTube or at the
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Enter for your last chance to win an iPhone XS Max and AirPods
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These fold-out tote bags make eco-friendly shopping a breeze
Kudos to those of us who have chosen a less wasteful third option to “paper or plastic” at the supermarket or club stores. Tote bags are reusable, but they can be a pain to tote around. Here’s an upgrade to that planet-saving measure. The Club Cart Lotus Trolley Bag is that rare tote you’ll want […]
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Pay what you want for over 120 hours of coding training
Looking for a career in IT, gaming or software development? In the ever-changing world of the internet, versatility is your biggest asset. In other words, mastering Java might not cut it in an interview if you don’t know C#. However, there’s a bundle that covers the essentials in most any language. The Legendary Learn to […]
