Safety is paramount when trying to observe the sun during Friday morning’s eclipse. It is extremely dangerous to look at the sun directly and people should not take risks. Do not attempt to use ...
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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 ...
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