The phrase “I’ve never seen anything more beautiful” should only be used for fractals. Sure, there is the Mona Lisa, The Starry Night, and The Birth of Venus (which all have been ruined by AI-generated art, by the way), but I don’t think any artist or human could create anything royally amazing as fractals.
Using the Atacama Large Millimeter/submillimeter Array (ALMA
The Atacama Large Millimeter/submillimeter Array (ALMA) is the largest ground-based facility for observations in the millimeter/submillimeter regime in the world. ALMA comprises 66 high-precision dish antennas of measuring either 12 meters across or 7 meters across and spread over distances of up to 16 kilometers. It is an international partnership between Europe, the United States, Japan, and the Republic of Chile.
Scientists studying a nearby protostar have detected the presence of water in its circumstellar disk. The new observations made with the Atacama Large Millimeter/submillimeter Array (ALMA) mark the first detection of water being inherited into a protoplanetary disk without significant changes to its composition. These results further suggest that the water in our solar system formed billions of years before the sun. The new observations are published today in Nature.
V883 Orionis is a protostar located roughly 1,305 light-years from Earth in the constellation Orion. The new observations of this protostar have helped scientists to find a probable link between the water in the interstellar medium and the water in our solar system by confirming they have similar composition.
A recent study suggests most solar systems start with a supply of water that formed in interstellar space.
A nearby star system is helping astronomers unravel the mystery of how water appeared in our solar system billions of years ago.
Scientists observed a young star, called V883 Orionis, located 1,300 light-years away using the Atacama Large Millimeter/submillimeter Array of telescopes, or ALMA, in northern Chile.
The star is surrounded by a planet-forming disk of cloud of gas and dust leftover from when the star was born. Eventually, material in the disk comes together to form comets, asteroids and planets over millions of years.
Year 1997 Basically this detailed the use of magnetism to levitate frogs.
When pigs fly? That could be sooner than you think. A group of researchers in the Netherlands and in England has made a frog levitate in a magnetic field. Although the feat might seem no more than a curiosity, researchers say that the floating amphibians may lead the way to a cheap alternative to space-based science experiments.
Many materials are diamagnetic—that is, when placed near a magnet, their atoms fight the magnetic field, and the object tries to scoot away. If such a material is placed in a strong enough magnetic field, it levitates. Superconductors, for example, are perfect diamagnets and can levitate over even weak magnets, which is why levitating trains like those in Japan can fly over the tracks. Organic material like living cells is very weakly diamagnetic, says J. C. Maan, a physicist at the University of Nijmegen in the Netherlands. So he and colleagues employed a very strong magnet (chiefly used for crystallography experiments) to float the frog. It took 16 teslas—a very powerful field indeed—to lift the confused amphibian off the ground.
“It’s a little surprising how easy it is to do this,” says James Brooks, a physicist at the National High Magnetic Field Laboratory in Tallahassee, Florida. “It’s not incredibly exotic equipment. Any scientist who is awake will ask ‘What can I do with this?’” Brooks notes that the magnetic fields might provide a way to study materials in milligravity—without sending them into space—because the levitating object is in a net zero field. Researchers could study the effects of microgravity on crystal growth and also on the growth and development of living cells, without costly space missions.
South Korea’s giant leap into space started with a small step on the internet.
With treaties banning certain tech transfers, South Korea’s rocket scientists turned to a search service to find an engine they could mimic as the country embarked on an ambitious plan to build an indigenous space program. The nation launched its first home-grown rocket called Nuri in October 2021.
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Researchers are coming to understand that the best performing materials in sustainable energy applications, such as converting sunlight or waste heat to electricity, often use collective fluctuations of clusters of atoms within a much larger structure. This process is often referred to as “dynamic disorder.”
Understanding dynamic disorder in materials could lead to more energy-efficient thermoelectric devices, such as solid-state refrigerators and heat pumps, and also to better recovery of useful energy from waste heat, such as car exhausts and power station exhausts, by converting it directly to electricity. A thermoelectric device was able to take heat from radioactive plutonium and convert it to electricity to power the Mars Rover when there was not enough sunlight.
End of the universe would look like?
It’s difficult to speak of the far future of the universe with any level of precision, but we can make rough estimates. Our cosmos is currently 13.77 billion years old, and galaxies throughout the universe will continue making new stars for many years to come. But eventually—roughly one trillion years from now—the last star will be born.
That star will likely be a small red dwarf, barely a fraction of our sun’s mass. Red dwarf stars live fantastically long lives, gently sipping on hydrogen to power a slow but steady fusion reaction. But eventually, all stars, including the red dwarfs, will come to an end. In roughly 100 trillion years, the last light will go out.
