The Search for Extraterrestrial Megastructures

For the first time in their history, NASA recently began funding searches for artificial extraterrestrial megastructures. While the agency has looked for life in space for decades, it’s been via biosignatures rather than technosignatures; signs of biological processes rather than signs of technological activity, which indicate higher intelligence. As Mordechai Rorvig writes for VICE, the existing department SETI (Search for Extraterrestrial Intelligence, founded in 1984) …

Link About It: This Week’s Picks

An open call for protest posters, the future of digital therapy, awesome animation, and more from around the web

Printed Matter’s Call for Printable Protest Works Beloved NYC organization Printed Matter has announced an “open call for free pdfs of anti-racist posters, pamphlets, signs, flyers, organizing material, handouts and zines that provide information about the ongoing fight for racial equality and the movement to protect Black lives.” While plenty of artists have debuted posters and prints available for download from various hosting platforms, Printed …

An All-Sky X-Ray Image of the Universe

Made by the German-Russian eRosita telescope (which is currently mounted on the orbiting Spektr-RG space observatory), this remarkable image—completed last week—is an x-ray map of the universe. The scan was taken approximately 930,000 million miles from Earth’s surface, and “will revolutionize x-ray astronomy,” says Kirpal Nandra of the Max Planck Institute for Extraterrestrial Physics. The electrifying image records “violent action in the cosmos” which appear …