by msander | Aug 3, 2018 | Gr 9-10 Science, Gr. 11-12 Physics
UV cameras expose a hidden world and reveal the incompleteness of our perception. In summary, ultraviolet light interacts differently with matter for a number of reasons: 1. Some pigments selectively absorb UV so they may appear white in the visible but dark in the...
by msander | Aug 1, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
This video shows fascinating examples of the Fibonacci numbers in...
by msander | Jul 25, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
Take a moment this Friday, July 27th and look up at the sky toward the longest lunar eclipse of this century, a magical deep red blood moon. Unfortunately, the eclipse is not visible in North America. Source: Don’t Miss This Week’s Deep Red Blood Moon...
by msander | Jul 22, 2018 | Gr 9-10 Science, Gr. 11-12 Physics
A head-vaporizing laser with a perfect wavelength detecting sub-proton space-time ripples. Huge thanks to Prof Rana Adhikari and LIGO: http://ligo.org Here’s how he felt when he learned about the first ever detection: https://youtu.be/ViMnGgn87dg Thanks to...
by msander | Jul 20, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
Ever wonder how lightning works? Scientists are still figuring it out, but what we do know is fascinating. Learn about positive and negative lightning, red sprites, blue jets, and ball lightning in this episode of SciShow! Hosted by: Michael...
by msander | Jul 19, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
The resonant frequencies of your vocal tract change when you breathe in a lungful of helium. Now, here’s how and why helium affects your voice. Source: Why Does Helium Affect Your Voice?
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