An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE ...

Rick] had a problem. His garage refrigerator was tasked with a critical duty—keeping refreshing beverages at low temperature.

A cheap USB-programmable analog output is great for setting intensities, power levels, or general analog signalling in many experimental contexts. There are lots of solutions when you want one or two ...

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