If you don't have solar glasses yet to watch the total eclipse happening April 8, not to worry. The good folks at NASA have an easy way you can view the eclipse by making a box pinhole projector with ...
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Homemade Batsignal Reaches the Clouds (and how to make an image projector for yourself!)
In this video I test my DIY bat signal powered by the incredibly bright Imalent MS18 flashlight against the clouds. I also show an easy way that you can build your own image projector using a few ...
LOUISVILLE, Ky. — If you haven't gotten a pair of solar-safe sunglasses to view April's total solar eclipse on Monday, time is running out! Remember, those shades are the only way to look directly at ...
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