Lifeboat Foundation

Researchers at the University of East Anglia and the University of Manchester have helped conduct a 16-year long experiment to challenge Einstein’s theory of general relativity.

The international team looked to the stars — a pair of extreme stars called pulsars to be precise – through seven radio telescopes across the globe.

And they used them to challenge Einstein’s most famous theory with some of the most rigorous tests yet.

They’ve become an essential ingredient of astrophysics.

Black holes helped to explain new astronomical discoveries, becoming essential ingredients of astrophysics. Science regarded black holes as abstractions until the 1960s. The recent experimental discovery of gravitational waves has changed our understanding of what black holes are.

In 2016, the LIGO-Virgo collaboration detected gravitational waves generated by two merging black holes, opening a new era of astronomy celebrated by the 2017 Nobel Prize in physics.

Continue reading “How our views on black holes have changed since Einstein” »

Yesterday’s longevity AMA: michael lustgarten, phd.

Questionsabout yesterday’s video, and more…AMA!

Continue reading “AMA Live Stream #1” »

This week’s image from the Hubble Space Telescope captures the glorious spiral galaxy UGC 11,537, seen at an angle that shows off both its long spiral arms and the bright clump of stars at its center. It is located 230 million light-years away in the constellation of Aquila (Latin for “eagle”).

As well as being pleasing to look at, this image was collected to further scientific knowledge about the enormous black holes at the galaxy’s heart. “This image came from a set of observations designed to help astronomers weigh supermassive black holes in the centers of distant galaxies,” Hubble scientists wrote. “Hubble’s sharp-eyed observations along with data from ground-based telescopes allowed astronomers to make detailed models of the mass and motions of stars in these galaxies, which in turn helps constrain the mass of supermassive black holes.”

Hubble is back up and running this week, with all four of its currently active instruments operational and collecting science data once again. The telescope had been automatically placed into safe mode following a synchronization error in late October, but the error seems to have been a one-off. In the weeks since the error occurred, the Hubble team turned on first one of the older inactive instruments, then each of the currently active instruments one by one.

Visionary. Showman. Iconoclast. Troll. How Elon Musk is reshaping our world—and beyond.

In this video I discuss 3D microchips which will keep Moore’s law going.
#3Dmicrochips.

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Mercedez-Benz has announced approval of their “Drive Pilot” system, in Germany, which does fully autonomous operation in highway traffic jam situations. Such systems have been promised for many years. It’s interesting to note that Tesla TSLA-5.2%, which might be able to produce such a system today, has instead put all their focus on their poorly named “full” self-driving product, possibly at the expense of other features like this.

The German certification is designed to be extended to the rest of the world, starting of course with Europe. Honda has sold a modest number of Legend sedans in Japan with this function, and Audi produced one but did not finish the regulatory approval process.

A system like this sometimes called a “level 3” system though those levels are misleading and not typically used by leading self-driving developers. It got that number as a potential half step between driver-assist (Such as Tesla FSD and other Mercedes offerings) and real self-driving. It was dreamed up by regulators with no experience in developing self-driving systems and there’s been a lot of disparate thinking about it over the years.

Humans have been dreaming of living on the Moon, but what would that look like exactly?

Put simply, an outpost (or outposts) on the Moon could benefit humanity in numerous ways. It would allow for regular access to the lunar surface, enable vital research into low-gravity and its effects on terrestrial organisms, and shave billions off of the cost of missions destined for Mars and other locations in deep space.

Continue reading “The Logistics of Going ‘Interplanetary’: What Does It Take to Live on the Moon?” »

A flurry of upgrades is on the horizon.

The conference version of the National Defense Authorization Act of 2022 shows that the U.S. Congress wants new engines to be installed in the current and future F-35 aircraft starting from 2027, Air Force Magazine reported.

We had earlier reported that the U.S. military would be required to look into re-engining its F-35s towards the end of this decade. The F-16s and A-10C Thunderbolts are close to the end of their lifetimes which means that the bulk of the workload for the U.S. military will fall on F-35s’ shoulders. Under the Adaptive Engine Transition Program (AETP), the U.S. Air Force has already begun work to develop engines that can deliver more power or range as required.

Continue reading “Could F-35s Get New Engines by 2027? The US Congress Thinks So” »