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Arthur Fry with a Post-it note on his forehead. In 1968, Spencer Silver, a scientist at 3M in the United States, attempted to develop a super-strong adhesive.Instead, he accidentally created a "low-tack", reusable, pressure-sensitive adhesive for the aerospace industry.
For micro-suction tape, the necessary force is proportional to the attachment surface area. Compared to a suction cup, the force is smaller for the tape (assuming the same attachment surface area) because only a portion of the surface area contains craters that form vacuum chambers, and the maximal force factor is determined by this portion.
A number of Velcro Corporation products were displayed at a fashion show at the Waldorf-Astoria hotel in New York in 1959, [11] and the fabric got its first break when it was used in the aerospace industry to help astronauts maneuver in and out of bulky space suits. However, this reinforced the view among the populace that hook-and-loop was ...
Students at Columbia University are distributing an antisemitic newspaper called "The Columbia Intifada," and one New York lawmaker is calling for consequences. Copies of the newspaper launched by ...
The two front feet of a tokay gecko can withstand 20.1 N of force parallel to the surface with 227 mm 2 of pad area, [4] a force as much as 40 times the gecko's weight. . Scientists have been investigating the secret of this extraordinary adhesion ever since the 19th century, and at least seven possible mechanisms for gecko adhesion have been discussed over the past 17
In overtime, Texas took the ball first. Ewers misfired on pass after end-zone pass, and again the Longhorns had to settle for a field goal attempt.
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