How do I make a telescope? Did you know you can build your own telescope? All you need are two lenses and a few common household items. Depending on your crafting experience, you can complete this fun ...
Practical Engineering on MSN
How Anyone Can Build a Sun Funnel to Super-Size the Eclipse
Eclipse glasses are fine - but what if you could make the eclipse bigger and share it with a whole crowd? In this video, I ...
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