Feb 25
Scientists crack the case of “screeching“ Scotch tape
Micro-cracks travel along the peeling tape at supersonic speeds, producing shock waves and sound pulses.
Scientists crack the case of “screeching“ Scotch tape
Archive Links: ia
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Scientists crack the case of “screeching“ Scotch tape
Micro-cracks travel along the peeling tape at supersonic speeds, producing shock waves and sound pulses.
Scientists crack the case of “screeching“ Scotch tape
Archive Links: ia
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Making Roman concrete produces as much CO2 as modern concrete
Roman concrete produces as much, if not more, CO2 as modern concrete, fewer air pollutants.
Making Roman concrete produces as much CO2 as modern concrete
Archive Links: ais ia
A new poem about air by Simon Armitage makes it easier to breathe on a city street in England. A materials scientist at the University of Sheffield has figured out a way to use nanoparticles to absorb pollution from car exhaust. He has coated a building-size billboard in these particles, and claims that any building or billboard could be treated to serve the same function.