Assorted nieces and nephews are visiting over the next two months. Luckily the Science Toys web site has many creative projects. Lessee...which first: magnetorheological fluid, railgun or Three penny radio?
Assorted nieces and nephews are visiting over the next two months. Luckily the Science Toys web site has many creative projects. Lessee...which first: magnetorheological fluid, railgun or Three penny radio?
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