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Игорь Лукошников (Мозг)
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Код течёт во мне. И я един с кодом.
Код течёт во мне. И я един с кодом.

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Культ.Ура.

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Включенный и выключенный CD-плеер в невесомости.
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Hummingbird Slow Motion

Hummingbirds are small birds that live exclusively in the Americas and are famous for their rapid motion and high-frequency wing beating. They have the highest metabolism of any animal that maintains a stable internal body temperature (homeothermic) with heart rates of well over 1,000 beats-per-minute. During flight, oxygen consumption per gram of muscle tissue in a hummingbird is about 10x higher than that measured in elite human athletes. In order to sustain such a high level of activity, hummingbirds must constantly consume sugar from flower nectar.

Hummingbirds drink with their tongues using a rapid lapping motion. Contrary to prior belief, capillary action plays no role in propelling nectar up the groves of the tongue. Scientists using high-speed cameras discovered that the tongue remains compressed until it reaches the nectar, at which point it springs open, forcing the liquid up the grooves of the tongue in a pump-like manner.

Source: https://youtu.be/RtUQ_pz5wlo (+National Geographic)
Learn More: https://nyti.ms/2kXRq7z (+The New York Times)

#ScienceGIF #Science #GIF #Hummingbird #Bird #Nature #SlowMotion #SlowMo #Slow #Motion #High #Speed #Tongue #Drink #Capillary
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Floating Water Bridge

When a high voltage is applied across two beakers filled with deionized water a phenomenon known as an electrohydrodynamic bridge can occur. The unsupported strand of water appears to defy gravity as the beakers are slowly separated. First demonstrated in 1893 by Sir William Armstrong, the floating water bridge has yet to be fully explained despite involving a number of important water science concepts.

The polar molecule water (H2O) has a permanent dipole moment and therefore acts as a dielectric fluid because it can be polarized in the presence of an applied electric field. The macroscopic behavior of the polarized fluid is governed by electrohydrodynamics, which describes several phenomena that occur as the magnitude of the electric field increases. These include an increase in meniscus height (electrowetting), bulk fluid circulation (Sumoto effect), and the ejection of charged droplets (electrospray). The electric field also exerts a force known as dielectrophoresis on the water molecules, which causes water to flow across the bridge and is likely involved in holding the stream together.

While this particular demonstration was performed using deionized water, any polar dielectric fluid could be used instead (e.g. glycerol or DMSO).

Source: https://youtu.be/2RSr2pHJJ98
Learn More: https://doi.org/10.3791/51819 (JoVE)

#ScienceGIF #Science #GIF #Water #Voltage #Beaker #Bridge #Floating #Electrohydrodynamic #Electric #Hydrodynamic #Physics #Molecules #Polarity #Electricity
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Художник (желание (на)рисовать) определяет инструмент.
Иногда наше сопротивление учиться новому, может подтолкнуть на создание чего-то совершенно удивительного. Не верите? Посмотрите на рисунки писателя, который не захотел осваивать Photoshop, а воспользовался самой простой программой.

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Теперь действительно, снял бы кто такой фильм...

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