On one ordinary day back in 2012, a hefty envelope turned up in my snail mail containing a very kind letter along with a mechanical drawing so detailed it made me want to chew my hair. The sender ...
Cooking dinner usually comes with an unavoidable extra – the energy needed to heat the oven. On a hot summer afternoon, there ...
Eighth grade science students at Providence Middle School recently designed and built solar ovens to heat a can of water to the highest temperature possible.
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