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The leaves of which plant can support a weight of up to 30 kg? Detailed answer

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The leaves of which plant can support a weight of up to 30 kg?

In the Amazon basin, you can find a plant of the water lily family called Victoria. Its leaves on the surface of the water reach three meters in diameter and can withstand a weight of up to 30 kg.

Authors: Jimmy Wales, Larry Sanger

 Random interesting fact from the Great Encyclopedia:

How to distinguish a boiled egg from a raw one?

If a boiled egg is spun on a smooth surface, it will quickly turn in the desired direction and will rotate for quite a long time, while the raw one will stop much earlier. This is because a hard-boiled egg rotates as a whole, while a raw egg has a liquid content that is loosely bound to the shell. Therefore, when rotation begins, the liquid content, due to the inertia of rest, lags behind the rotation of the shell and slows down the movement. Also during rotation, you can briefly stop the rotation with your finger. For the same reasons, a boiled egg will stop immediately, while a raw one will continue to spin after you remove your finger.

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Spiral fiber on a microchip 09.12.2013

Specialists at the California Institute of Technology have created a prototype of a light-delaying chip in which an electromagnetic pulse loses an order of magnitude less energy than in analogues.

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The light guide is coiled and has the shape of a semicircular groove in the silicon array. On the sides, it is partially covered by a horizontal "canopy" of silicon oxide. The groove is about 150 µm wide, about 100 µm deep, and about 50 µm wide. It was possible to obtain such a groove seven meters long by lithography and etching with hydrofluoric acid with xenon difluoride. The hydrofluoric acid, HF, removed the silicon oxide, and the xenon difluoride, XeF2, dissolved the silicon substrate.

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