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One of Stephen Hawking’s most famous theories has been confirmed to be correct, thanks to space-time ripples caused by the merger of the two distant black holes.

The black hole area theorem, which Hawking derived from Einstein’s theory of general relativity in 1971, states that the surface area of a black hole cannot decrease over time. This rule is of importance to physicists because it appears to set time to run in a certain direction: the second law of thermodynamics, which states that the entropy, or disorder, of a closed system must always rise. Because the entropy of a black hole is proportional to its surface area, both must always increase.

The researchers’ confirmation of the area law, according to the new study, appears to suggest that the properties of black holes are crucial hints to the hidden laws that control the universe. Surprisingly, the area law appears to contradict another of the famous physicist’s proven theorems: that black holes should evaporate over incredibly long time scales, suggesting that determining the source of the conflict between the two theories might reveal new physics.

Diehard Elon Musk fans have created a 30-foot-long monument dedicated to their hero – and it cost them over half a million pounds ($600,000).

The unique piece sees the richest man in the world’s head attached to a goat’s body while riding a rocket.

It’s the brainchild of cryptocurrency firm Elon GOAT Token ($EGT), who later this month plan to present it to the billionaire at his Tesla workplace in Austin, Texas.

Being called birdbrained should be a compliment. bigsmile

In cognitive tests for recognizing certain types of patterns, crows outperformed monkeys.

Flying car startup Airspeeder has completed what it’s referring to as the “world’s first electric flying car race” in the South Australian desert.

While the two competing pilots were steering the two full-scale flying cars remotely, it still made for an epic launch of a brand new kind of motorsport, as seen in a promotional video of the event.

Continue reading “Pilots Go Head to Head in ‘World’s First Electric Flying Car Race’” »

After shocking the mathematics community with a major result in 2013, Yitang Zhang now says he has solved an analogue of the celebrated Riemann hypothesis.

To design better rechargeable ion batteries, engineers and chemists from the University of Illinois Urbana-Champaign collaborated to combine a powerful new electron microscopy technique and data mining to visually pinpoint areas of chemical and physical alteration within ion batteries.

A study led by materials science and engineering professors Qian Chen and Jian-Min Zuo is the first to map out altered domains inside rechargeable ion batteries at the nanoscale—a 10-fold or more increase in resolution over current X-ray and optical methods.

The findings are published in the journal Nature Materials.

For a portion of people who get COVID, symptoms continue for months or even years after the initial infection. This is commonly referred to as “long COVID”.

Some people with long COVID complain of “brain fog”, which includes a wide variety of cognitive symptoms affecting memory, concentration, sleep and speech. There’s also growing concern about findings that people who have had COVID are at increased risk of developing brain disorders, such as dementia.

Scientists are working to understand how exactly a COVID infection affects the human brain. But this is difficult to study, because we can’t experiment on living people’s brains. One way around this is to create organoids, which are miniature organs grown from stem cells.

Read more about Relativistic drag predicted by Einstein is confirmed.

Mini instruments are entering their prime.

After DART collided with Dimorphos, scientists want to understand how the asteroid changed. They’ll send the smallest radar to space to glean more information beneath Dimorphos’ surface.