by msander | Jan 30, 2019 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
How do astronauts survive the deadly radiation of deep space? NASA is still figuring out how to protect astronauts from cosmic radiation — like plastic shielding and magnetic deflectors. Learn more about National Chemistry Week here!...
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 | 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 | Apr 2, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
This interesting resource shows what happens when a light bulb is placed in a microwave oven. Click on the source to get a video and Steve Spangler’s explanation of how this works. Source: Microwave Light Bulb – SICK Science | Science Experiments | Steve...
by msander | Mar 19, 2018 | Gr 9-10 Science, Gr. 11-12 Physics
MIT Media Lab researchers have created a new imaging system that can acquire visual data at a rate of one trillion frames per second. That’s fast enough to produce a slow-motion video of light traveling through objects. Video: Melanie Gonick/MIT Read more:...
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