Lifeboat Foundation

However, “the idea that Saturn’s rings are young seemed very strange in the context of the solar system’s long evolutionary history,” study lead author Ryuki Hyodo, a planetary scientist at the Institute of Science Tokyo, told Space.com. “A few million years ago is the time of the dinosaurs on Earth. This would mean that the solar system was already well-established and relatively stable.”

In contrast, when Saturn formed about 4.5 billion years ago, or during the era called the Late Heavy Bombardment about 4 billion years ago, “the solar system was far more chaotic,” Hyodo said. “Many large planetary bodies were still migrating and interacting, greatly increasing the chances of a significant event that could have led to the formation of Saturn’s rings.”

To shed light on the age of Saturn’s rings, in the new study, Hyodo and his colleagues developed 3D computer models simulating crashes between micrometeoroids and the rings. These impacts typically occur at speeds of about 67,100 mph (108,000 km/h), they said.

Apple posts a list of U.S. wireless firms whose iPhone-using subscribers now support RCS.

Instead of crunching mathematical calculations, GenCast was trained on four decades of historical weather data to produce an array of 15-day forecasts.

According to Mark Gurman from Bloomberg, Apple is working on a new smart home doorbell, to compete with the likes of Ring. It’d offer “advanced facial recognition”, and integrate wirelessly with smart home locks.

If advanced civilizations are out there, here’s the breakthrough strategy that could bring them to light.

Commonwealth Fusion Systems, a startup that was spun out of a project at the Massachusetts Institute of Technology’s research labs, announced plans this week to break ground on what it calls “the world’s first grid-scale fusion power plant.” The plant which is expected to come online sometime in the early 2030s, according to the company, will be built in Chesterfield County, Virginia.

The plan is certainly an ambitious one, starting with how the energy will be generated. Nuclear fusion is a notoriously difficult process that involves fusing together two light atomic nuclei into a single heavier one, resulting in the release of a massive amount of energy—it’s estimated to produce four times as much energy as nuclear fission reactions. The reaction that nuclear fusion generates is the same kind of reaction that powers the sun.

It’s not hard to imagine why one would want to be able to harness the energy of the sun. It is hard to actually, ya know, do that, though. To date, nuclear fusion has proven elusive—at least in a way that would produce usable energy. In 2022, scientists at Lawrence Livermore National Laboratory in California reached nuclear fusion “ignition” for the first time, meaning they successfully produced an excess of energy from the reactions. Prior to that breakthrough, which has since been replicated, it took more energy to produce the reaction than energy that came from it.

And it does not violate the laws of physics.

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Continue reading “Longevity Biohacker Kenneth Scott is 82: Rejuvenation Approach” »

Aging happens in distinct stages marked by synchronized cellular changes across organs, as shown in Rockefeller’s largest-ever mammalian aging atlas. Their findings offer clues for targeting aging processes and reveal key age and sex differences in cellular dynamics.

If you compared photos of a maple tree taken in July and December, the difference would be striking: a vibrant green canopy in summer versus bare, stark branches in winter. What those images wouldn’t reveal is how the transformation unfolded—whether it was gradual or sudden. In reality, deciduous trees usually wait for environmental cues, such as changes in light or temperature, before shedding all their leaves within a brief span of one to two weeks.

When it comes to aging, we may be more like these trees than we realized.