Lifeboat Foundation: Safeguarding Humanity
Toggle light / dark theme

Blog

Category: space – Page 447

As far as we can tell from modern science, there’s no upper limit to temperature. There sure is a lower limit, though. We call that absolute zero, measured as −273.15 °C (−459.67 °F). Scientists have yet to reach that limit in any experiment, but they’re getting close. A team of physicists in Germany has gotten closer than ever before, reaching a temperature of 38 trillionths of a degree from absolute zero, according to New Atlas.

This news might sound familiar because it is — scientists have inched closer to absolute zero on numerous occasions. A few years ago, MIT created what was at the time the coldest spot in the universe with sodium and potassium atoms. The International Space Station has also conducted experiments within a fraction of a degree of absolute zero. The problem is that no matter how well insulated your testing setup is, a tiny amount of energy always sneaks in from the environment. When that happens, you can’t reach absolute zero and halt all atomic motion.

The team from the University of Bremen broke the record once again by dropping the experiment (above) from the top of a very tall tower. Yes, really. They started with a cloud of 100,000 rubidium atoms, which were confined inside a magnetic field. When cooled, the atoms clump together and form a mysterious state of matter known as a Bose-Einstein condensate. In this state, the atoms act like one giant atom, making quantum effects visible at the macroscopic scale.

Read more | >

NASA wants to plunge the International Space Station (ISS) into the ocean in 2030. How can we save it?

You can support Galactic Gregs by supporting the sister channel Green Gregs by clicking the links below:
See the Special Deals at My Patriot Supply: www.PrepWithGreg.com.
Awesome deals for long term food supplies!
For gardening in your Lunar habitat Galactic Gregs has teamed up with True Leaf Market to bring you a great selection of seed for your planting. Check it out: http://www.pntrac.com/t/TUJGRklGSkJGTU1IS0hCRkpIRk1K

Read more | >

If the Ingenuity helicopter would fly at night on Mars, its very possible the whirring rotors would create enough static electricity in the extremely dry Martian atmosphere to cause the air around the craft to glow.

“The faint glow would be most visible during evening hours when the background sky is darker,” said William Farrell, from Goddard Space Flight Center and lead author of a paper on this topic. “NASA’s experimental Ingenuity helicopter does not fly during this time, but future drones could be cleared for evening flight and look for this glow.”

If you’ve ever shuffled your feet across a wool carpet on a dry winter day, and then reached out to touch a metal doorknob, you’re familiar with the static discharge that creates a little zap — a spark — that leaps between your fingers and the metal knob.

Read more | >

Sorry to our fellow hopeful space nerds, but we have to burst everyone’s warp bubble. Despite recent reports that scientists have “accidentally created a warp bubble,” it looks like warp speed is still a few baby steps away. But all hope is not lost: a group of scientists led by Dr. Harold G. “Sunny” White has proposed a structure that could actually be built in the real world and used to study the Casimir effect. It might be a baby step, but it’s a real one.

Breaking the ‘cosmic speed limit’ with the Casimir effect

To make a warp drive, first you need to master the Casimir effect. The Casimir effect, for the uninitiated, is a very small attractive force that exists between two uncharged but conductive parallel plates that are held very, very close together. It used to be a purely hypothetical offshoot of relativity. However, now that we’ve seen it happen in real life, it’s high on the list of real-world phenomena scientists are investigating to figure out how we might finally crack the problem of interstellar space exploration.

Read more | >

In addition to the beautiful reddish image seen by the telescope, ESA stated that the data gathered from this sort of observation could aid in deciphering riddles surrounding the Universe’s beginning.

About Hubble Space Telescope

The Hubble Space Telescope is massive, NASA said. Hubble orbits Earth at around 340 miles (547 kilometers). It measures the length of a huge school bus and weighs the equivalent of two adult elephants. Hubble travels at a pace of around 5 miles per second, about the same as traveling from the east to the west coast of the United States in 10 minutes. Hubble is a spacecraft that runs on solar power.

Read more | >

The Red planet was still getting bombarded after 4.48 billion years.

It is believed to be the second oldest meteorite discovered, about two billion years old, and contains the most water found in any of Mars’ fallen rocks.

Previous studies of Black Beauty have shown that the meteorite lacked signatures of shock deformation, which led scientists to believe that Mars stopped experiencing heavy bombardment from flying space rocks about 4.48 billion years ago. This also suggested that the planet could have developed habitable conditions early on in its history.

The team behind the new study probed NWA 7,034, analyzing a total of 66 zircon grains. Zircon is a rare mineral found on Mars that scientists refer to as a time capsule since it preserves information about its environment from the day it was created.

Continue reading “Mars meteorite upends when we think life could have began” | >

Seattle-based software company Pluto VR has brought its virtual reality streaming platform PlutoSphere into Early Access.

Initially announced in February 2021, PlutoSphere allows its users to stream VR applications to a headset without the need for a local computer, in order to dramatically reduce the cost of entry for virtual reality. Instead of building a new rig around VR compatibility, you can theoretically just get a headset, then run everything from every library you own via data streaming.

PlutoSphere is currently compatible with the Oculus Quest and Quest 2, with plans to support other headsets and mobile devices in the future. It also requires a 5 Ghz WiFi 6 Internet connection, 50 Mbps of bandwidth, a Steam account, and less than 100ms ping to an Amazon Web Services region.

Read more | >