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Acoustic buoyancy
(4) | 20/09/2012 | Translate: At Argonne National Laboratory in Chicago, scientists found a way to keep on swinging small drops of liquid substances, with the help of sound waves. This way you will be able to study the effect and efficacy of many drugs in the human body.
Quantum buoyancy in a Möbius strip The strip or tape of blamable (Möbius Strip) is a particularly simple construction showing that two surfaces can be converted into a single. On such a strip, Students constructed a quantum buoyancy system, wherein a superconducting material having a very low temperature (dipped in liquid nitrogen), It has the ability to hover over magnets frictionless.- The sound of the collision of two black holes The gravitational waves recorded by the collision of two black holes turned into sound waves, as can be heard in this video. On September 14, 2015, the LIGO Observatory detected gravitational waves from the merger of two black holes, with each having 30 times the mass of our sun. The incredibly strong collision lasted only for milliseconds. The first two reproductions, the frequencies of sound waves with frequencies precisely matched the gravitational waves. In the other two iterations has been converting sounds at higher frequencies that best match the range of human hearing. The video finishes playing the original frequencies again twice.
- What happens to our bodies after death; Whatever the religion or beliefs of each, most agree that the body that we leave behind us when we depart from this world is just a heap of flesh and bones. But what happens with these remnants; With the help of intricate mechanisms of nature, the human body undergoes a fairly typical decomposition process that can take anywhere from two weeks to two years.
- Quantum buoyancy The superconductivity is a condition of certain materials that have the ability to conduct electricity with no resistance. This property disappears over a temperature or under a magnetic field and is a quantum state. Here a superconducting material that has very low temperature since it contains liquid nitrogen on the surface, presents this quantum state and has the ability to hover over magnets, without friction.
- Acoustic levitation A recent video by researchers in Japan shows sound waves to metewrizoyn light objects, as matches, small screws and transistor. Experiments conducted by the Yoichi Ochiai and Jun Rekimoto at University of Tokyo look like magic, However actually come from a strange natural phenomenon. When the speakers are aligned with accuracy, form two sets of sound waves which pose perfectly with one another, creating a phenomenon known as a "standing wave". At certain points along a stationary wave, they are known as nodes, There is no net power transfer. Because the acoustic pressure of the sound waves is sufficient to nullify the effect of gravity, light objects can float when placed in the nodes.
- Static flow An incredible illusion is created when the frequency of sound waves and water flow is synchronized with the framerate (images per second) a camcorder. The water looks like it's static and drops to levitate.
- TITAN submarine implosion simulation An animation that represents the moment of the destruction of the submarine TITAN, and simulates the implosion of the submarine and a human body under the specific conditions.
- Alligator in the belly of a python During an autopsy in Florida's Everglades National Park, scientists found the body of an adult alligator 1,5 meters inside the belly of a 5 long Burmese python,5m. Researcher Rosie Moore says she has never seen anything like it. The alligator was almost unharmed, since apparently the python didn't have time to digest it. The python was likely captured and then euthanized soon after swallowing its prey. These snakes are a threat to the Everglades park ecosystem and must be euthanized after capture.
- Solidarity between turtles A turtle flips in the water. Then, her friends come to help her by turning her body upside down.
- The gas that makes your voice deep A man inhales sulfur hexafluoride, a gas that makes the voice very deep. It then inhales perfluorobutane, an even denser gas, which slows down the sound waves and gives the impression that it speaks in an even deeper voice.
- A technology for real holograms In 2019 at the InteractLab research center at the University of Sussex, Researchers have developed a hologram that uses a polystyrene bead, which is suspended by means of an array of speakers emitting ultrasound. The bead is illuminated with an LED light projection, and moves so fast that it creates images.
- Snail regenerates its body after being beheaded Ο Sakaya Mitoh, a researcher from Japan, discovered a marine snail of the species Sacoglossa a few years ago, who decapitated himself to get rid of the parasites that were in his body. The head continued to live and move almost normally, without the heart and other organs in the body. Mitoh continued to watch the snail in the lab, which slowly regenerated his entire body over a period of 17 days.
- Cleaning a ring with ultrasonic A diamond ring is placed in an ultrasonic cleaning machine. From the first seconds, we can see the results of ultrasonic cleaning, which sends ultrasound waves (with a frequency of 20 kHz to 170 kHz) in liquid (water or other solvent).
- The hot chocolate effect The hot chocolate effect, is a phenomenon that is reproduced by stirring a hot liquid and adding soluble powder. Tap the edge of the cup repeatedly one by one the spoon, we notice that the sound produced has an increasingly louder tone. This effect is explained by fluctuations in the speed of sound in the liquid, due to the presence of gas bubbles. The wavelength of this sound that is heard, determined by the size of the cup, and the frequency of sound depends on its velocity in the liquid. The presence of air bubbles in the liquid significantly reduces this speed. So the sound sounds more bass (lower frequency) with bubbles, and thinner (higher frequency)when there are no bubbles.
- A Rubik's Cube that hovers and solves itself The Japanese nicknamed "Human Controller" constructed a Rubik's Cube in suspension by means of a magnetic field and is programmed to automatically solve.