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 23, 2017 | Gr. 11-12 Physics
The merging of two neutron stars was detected by gravitational waves and then by telescopes in all parts of the electromagnetic spectrum. This is a historic detection as it demonstrates: – the first gravitational waves detected from inspiraling neutron stars...
by msander | Oct 23, 2017 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
It’s going to be a lot easier to colonize Mars if we can terraform it first. The first step would be to give Mars a thicker atmosphere, which means it will need a magnetic field, or magnetosphere, to protect it. Here’s how we would do...
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 | Sep 28, 2017 | Gr. 11-12 Chemistry, Gr. 11-12 Physics
We looked into the history and quirks of cold matter and why the International Space Station may soon be home to the coolest spot in the...
by msander | Sep 24, 2017 | Gr. 11-12 Physics
In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the...
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