Boing-Boing republished the above old photo, which I first saw in a Wonder Book, a series of compendiums first published in England sometime in the 1920s, and continued into the 1950s: Human cantilever bridge
Boing-Boing republished the above old photo, which I first saw in a Wonder Book, a series of compendiums first published in England sometime in the 1920s, and continued into the 1950s: Human cantilever bridge
Time 2024-12-08 to 11 Einstein’s Special Relativity (SR) says that time is one of the four dimensions of spacetime. String theory claims t...
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