by msander | Sep 13, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
NASA’s Cassini spacecraft will plunge into Saturn on September 15, incinerating itself after 20 years in space. Cassini grand finale ends on September 15th as it will burn into Saturn. It’s photos of Saturns rings are the clearest we have ever seen. Subscribe...
by msander | Apr 5, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
The definitive answer about the direction water swirls in two hemispheres Sync the videos yourself: http://toiletswirl.com For the record Destin and I repeated the experiment 3-4 times each in each hemisphere and got the same results every time. The idea that water...
by msander | Apr 2, 2015 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
How beautiful is a ring that sparkles, whether perched upon a finger or girdling a gas giant hundreds of millions of miles away. Like precious gems, planetary rings seem all the more beautiful for their rarity—although we’re continuing to discover that more and more...
by msander | Mar 30, 2015 | Gr 4-6 Science & Tech, Gr 9-10 Science
A lunar eclipse is an interplay between celestial motions, and the reflection, refraction and scattering of sunlight. Total lunar eclipses are beautiful events, and can be simply enjoyed for their own sake, or, whether with the unaided eye, binoculars, or a...
by msander | Dec 12, 2014 | Gr 9-10 Science, Gr. 11-12 Physics
How do you measure the distance to something so incredibly far away light a star? As you’ll see in this video from Scientific American, the math involved is actually quite simple and relies on a property called parallax. Click here to have a look....
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