Which animals have the most genes? Detailed answer

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Which animals have the most genes? Detailed answer

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Which animals have the most genes?

Among all multicellular animals in which the genome has been deciphered and studied, the leader in the number of genes are daphnia - microscopic crustaceans. If the human genome contains about 20-25 thousand genes, then Daphnia has more than 30 thousand of them. And more than a third of this number have no analogues in other organisms.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

By what accident did Linux actually come about?

Linus Torvalds used the Minix operating system, but was dissatisfied with many of the limitations in it and decided to write his own system. At a certain point, a more or less stable version was released, Torvalds' interest in the project faded, and he was ready to abandon it. But in the same period, he accidentally messed up the partition on the hard drive where Minix stood, and instead of reinstalling it, Torvalds decided to finish what he started anyway. So, by chance, the Linux kernel and later the GNU/Linux OS were born.

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XNUMXD images can be touched 26.07.2015

The Japanese company Burton Inc, together with scientists from Tokyo, Tsukuba, Utsunomiya and Nagoya Technical Universities, has developed a technology for demonstrating three-dimensional images of Fairy Lights, which forms an object from plasma droplets using a femtosecond laser directly in the air.

Burton Inc's previous development was the Aerial Burton Laser Projection Display, which displayed three-dimensional images and text in space.

Now the technology of creating volumetric pixels, or voxels, from ionized gas with ultrashort laser pulses has made it possible to make images tangible.

Plasma voxels are formed by ionizing the air at the focal point using many extremely short pulses of an infrared laser passing through a 3D scanner with a varifocal lens. In a microscopic drop of plasma, excess energy is released in the form of blue photons.

Volumetric pixels disappear fairly quickly, so the laser must fire several hundred thousand pulses per second to maintain a stable image. Until recently, it was impossible to touch such pictures, because the laser exposure led to a burn.

The new Fairy Lights system uses femtosecond lasers, whose pulse duration is so short that they do not have time to cause any damage to a person. The plasma becomes brighter when touched, and the laser-generated shock waves evoke a tactile sensation.

The plasma provides visual and tactile feedback, and the 3D images can serve as indicators or spatial controls. Burton Inc engineers believe their technology could lead to full-fledged XNUMXD touch displays.

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