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DARPA moving forward with DRACO nuclear thermal engine

Early last month, DARPA issued an RFP for the next phase of their Demonstration Rocket for Agile Cislunar Operations (DRACO) nuclear thermal engine program. This follows on their selection, one year ago, of an early engine design by General Atomics and two spacecraft concepts from Blue Origin and Lockheed Martin. Now they’re moving on toContinue reading “DARPA moving forward with DRACO nuclear thermal engine”

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What’s new in Red Hat Enterprise Linux 9

Red Hat Enterprise Linux (RHEL) 9 is now generally available (GA). This release is designed to meet the needs of the hybrid cloud environment, and is ready for you to develop and deploy from the edge to the cloud. It can run your code efficiently whether deployed on physical infrastructure, in a virtual machine, orContinue reading “What’s new in Red Hat Enterprise Linux 9”

How sleep helps to process emotions

Researchers at the Department of Neurology of the University of Bern and University Hospital Bern identified how the brain triages emotions during dream sleep to consolidate the storage of positive emotions while dampening the consolidation of negative ones. The work expands the importance of sleep in mental health and opens new ways of therapeutic strategies.Continue reading “How sleep helps to process emotions”

GDL: GNU Data Language

GDL is a free/libre/open source incremental compiler compatible with IDL (Interactive Data Language) and to some extent with PV-WAVE. Together with its library routines it serves as a tool for data analysis and visualization in such disciplines as astronomy, geosciences and medical imaging. GDL development had been started by Marc Schellens back in early noughtiesContinue reading “GDL: GNU Data Language”

Liberating out-of-copyright photos from SmartFrame’s DRM

During the middle of the 20th Century, the UK’s Royal Air Force took thousands of photographs of the country from above. Think of it like a primitive Google Earth. Those photographs are “Crown Copyright”. For photographs created before 1st June 1957, the copyright expires after 50 years. Read more…

U.S.S. Akron (ZRS-4) and U.S.S. Macon (ZRS-5)

The United States Navy airships U.S.S. Akron (ZRS-4) and U.S.S. Macon (ZRS-5) were designed for long-range scouting in support of fleet operations. Often referred to as flying aircraft carriers, each of the helium-inflated airships carried F9C-2 Curtiss Sparrowhawk biplanes which could be launched and recovered in flight, greatly extending the range over which the AkronContinue reading “U.S.S. Akron (ZRS-4) and U.S.S. Macon (ZRS-5)”

Panic Playdate Review

Little, yellow, different. This indie handheld game system breaks lots of rules. Panic’s bizarre gaming handheld was announced years ago, something that seemed whimsical and almost like a joke. It has the look of a product you’d see on an episode of Portlandia: a small, twee device in Pikachu yellow, with a Game & Watch-esqueContinue reading “Panic Playdate Review”