by msander | Aug 14, 2018 | Gr 9-10 Science, Gr. 11-12 Physics
he useful glare-blocking properties of polarized sunglasses are well-known to just about anyone who goes outside. What isn’t so well-known is how they reduce glare in the first place. That answer is deceptively complicated! Hosted by: Hank Green Head to...
by msander | Nov 5, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
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:...
by msander | Oct 5, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Physics
New research shows chameleons actively tune nano-crystals to change their color. For a 10-day free trial, check out http://lynda.com/veritasium Chameleon research in Nature Communications: http://bit.ly/1FacHO2 “Photonic Crystals Cause Active Colour Change in...
by msander | Mar 23, 2017 | Gr 9-10 Science, Gr. 11-12 Physics
Beyond what we can touch, taste, smell, and hear, we experience the universe through light. But how did we come to discover light, and how did we learn light’s true nature, as the fastest thing in the universe, an electromagnetic spectrum, a wave and particle...
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