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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.
Hook-and-loop fasteners, commonly known as Velcro (a genericized trademark), hook-and-pile fasteners or touch fasteners are versatile fastening devices that allow two surfaces to be repeatedly attached and detached with ease. Invented in the mid-20th century, they are widely used in clothing, accessories, and various industrial and consumer ...
Sticky pads are friction devices used to prevent objects from sliding on a surface, by effectively increasing the friction between the object and the surface.. Sticky pads are used to fix items to otherwise smooth surface that are leaned or that moves, so that objects put on that surface could off due to insufficient friction when the surface inclines or moves. [1]
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
The foam-lined bra features contoured cups that give your bust a flattering shape, and a built-in underwire offers support without digging into your skin. "I’m always looking for that perfect bra.
Cardboard and paper rose in quantity, making up 60% of the overall material recycled while newsprint, office paper and other types of recyclable paper saw a 35.6% drop.
In the U.S., strict liquor laws and pricey licenses keep fast-food spots mostly dry. Here’s where you can actually sip a drink with your burger.
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