The glass floats respond quickly when placed in cold water. They respond slowly when removed from the water. The history of this device is discussed by Ronald Geballe in an article titled "Note on 'A ...
The glass floats respond quickly when placed in cold water. They respond slowly when removed from the water. The history of this device is discussed by Ronald Geballe in an article titled "Note on 'A ...
来自MSN12 个月
A 13-year-old built a 'death ray' using a 2,000-year-old concept from Greek inventor Archimedes"Due to Archimedes being such an amazing inventor ... of as close as I could get it in real life," he said. An infrared thermometer measured the temperature increase each time Sener added a ...
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