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Wherever you have fluid, there you can also find vortex rings.

Now, scientists have found vortex rings somewhere fascinating — inside a tiny pillar made of a magnetic material, the gadolinium-cobalt intermetallic compound GdCo₂.

If you’ve seen smoke rings, or bubble rings under water, you’ve seen vortex rings: doughnut-shaped vortices that form when fluid flows back on itself after being forced through a hole.

Circa 1997

Berkeley — An ultrasensitive, superfluid gyroscope developed by physicists at UC Berkeley has the potential to surpass today’s most sensitive devices for measuring absolute rotation or spin.

In a paper in this week’s issue of Nature, physics professor Richard Packard and his colleagues, graduate students Keith Schwab and Niels Bruckner, report a proof-of-principle demonstration of the new device.

Continue reading “04.10.97 Develop Ultrasensitive Gyroscope Based on Superfluid Helium” »

This video explains all types of mutations.

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Researchers discover distinct gut bacteria prevalent in people with clinical depression compared to healthy people.

Andrea Macdonald founder of ideaXme interviews Commissioner Virginijus Sinkevičius, European Commissioner for the Environment, Oceans and Fisheries.

The EU Commission @European Commission.

Continue reading “Virginijus Sinkevičius, European Commissioner for Environment, Oceans and Fisheries” »

They were coasting to the Moon when a ruptured oxygen tank derailed the mission.

50 years later, watch “Apollo 13: ‘Houston, We’ve Had a Problem’” to see how a tale of tragedy would turn into a tale of triumph: https://youtu.be/MdvoA-sjs0A

Continue reading “Apollo 13: ‘Houston, We’ve Had a Problem’” »

Researchers claim to have reversed ageing in mice. It has long been believed that if we understand the causes of ageing, it may be possible to reverse it. New work on mice shows that it is possible to cure vision loss caused by old age or injury. Researchers think that this effect may depend on rewinding the ‘biological clock’ which marks the age of cells, suggesting that the cells in the eye have been made functionally younger.

Read the paper here: https://www.nature.com/articles/s41586-020-2975-4

Continue reading “Rewinding the biological clock: How to reverse ageing” »

Diseases caused by folded proteins in the body are all over the news every day, like cancer, Alzheimer’s, and COVID-19. And now, a Google model powered by artificial intelligence could map these folded proteins in more detail than ever before, allowing scientists to “unfold” proteins and better explore possible treatments.

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‘Reprogramming’ approach seems to makes old cells young again.