Description
mechanical-advantage
and standing waves visibly enough to compare amplitude
Seventy-times enlarged skin cross section reveals epidermis
Neoprene Bunsen burner hose sized to fit 8-10 mm gas-inlet connectors
these concavity microscope slides hold liquid samples for hanging-drop preparations and observation of specimens in suspension
12V DC Hand Crank Generator with Light Bulb Biology_Dissection mechanical-advantageHand cranked 12V DC generator in a clear plastic case with a front mounted lamp and binding posts, demonstrating mechanical to electrical energy conversion as the crank lights the bulb.
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