Lifeboat Foundation

Sam Baron, Australian Catholic University.

Black holes form natural time machines that allow travel to both the past and the future. But don’t expect to be heading back to visit the dinosaurs any time soon. At present, we don’t have spacecraft that could get us anywhere near a black hole. But, even leaving that small detail aside, attempting to travel into the past using a black hole might be the last thing you ever do.

Go to hhttp://hover.com/isaacarthur and get 10% off any domain name from Hover
extensions for anything you’re passionate about.
As we seek to travel vast distances to claim the galaxy, we will need to develop strategies and methods for voyaging through deep space and reaching strange new worlds.

Visit our Website: http://www.isaacarthur.net.
Join Nebula: https://nebula.tv/isaacarthur.
Support us on Patreon: https://www.patreon.com/IsaacArthur.
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur.
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE

Continue reading “Interstellar Colonization Strategies” »

An engine idea that can accelerate to 99 percent of the speed of light, all without the need for propellant. That may sound like something out of a science fiction movie, but it’s not. This is exactly what one of NASA engineers is developing, and it promises to break the law of physics.

How will these engines be developed? If it is going to work without propellant, then what will be its fuel? And most importantly, will a human be able to travel in a vehicle with such an engine as its thruster? Well, we will find out in just a second.

Lasers find applications across several fields ranging from telecommunications and remote sensing to medicine. There are many ways in which one can generate laser emission, or lasing, from a device or material. Consequently, there are many types of lasers with different principles of operation.

One emerging and promising method to achieve lasing with high energy efficiency is by leveraging what are known as “bound states in the continuum” (BICs). In simple terms, these states describe waves that remain highly localized in space but coexist with a continuous spectrum of waves that are not localized (traveling waves). When dealing with light, an electromagnetic wave, BICs can be realized by carefully designing the geometry of a confining periodic structure.

Although scientists have already reported a few types of BIC-based lasers, most of them can only emit a beam in a perfectly or almost perfectly vertical direction away from the surface of the device. This limitation hinders the use of such BIC lasers in applications where angling the emitted beam is necessary.

NASA may turn to its commercial partner SpaceX to transport three astronauts back to Earth after a Russian Soyuz spacecraft suffered a coolant leak in mid-December.

In a blog post published on Friday, NASA said that it “reached out to SpaceX about its capability to return additional crew members aboard Dragon if needed in an emergency.” At the moment, NASA is investigating whether or not the Soyuz spacecraft would still be capable of carrying astronauts on the trip back from the International Space Station, the space agency added.

NASA published a video from its Artemis I Orion spacecraft, when it saw Earth disappear behind the Moon at the halfway point of its mission.

The spaceplane that will carry passengers to the “space business park” features its own inflatable space habitat.

Amazon founder Jeff Bezos’ space company, Blue Origin, has been hard at work alongside Colorado-based startup Sierra Space on the Orbital Reef project.

Continue reading “Dream Chaser: Hypersonic spaceplane will feature a building-sized inflatable space habitat” »

There is growing concern over China’s Moon ambitions.

The race to the Moon between the United States and China is becoming increasingly fierce, and the next two years could determine who wins. During an interview with Politico.

Wikimedia Commons.

Continue reading “Space race: NASA chief warns that China could claim territory on the Moon” »

NASA’s unmanned Artemis mission to the moon was a small step toward the ultimate goal of sending humans to Mars and beyond.

The second goal was to figure out how to settle and exploit the resources of the moon for research teams by the middle of the following decade.