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August 30, 2021 Archives
Monday, August 30, 2021
CONTEXT: Rocket Factory Augsburg Performs Cryogenic Test to Destruction of First Stage
You can't make an omelette without breaking eggs! With our cryogenic burst test we pushed the #limits of our first stage design and #successfully demonstrated the strengthening of our steel alloy under cryo conditions!
— Rocket Factory Augsburg (@rfa_space) August 27, 2021
A new first stage is already in the pipeline. On we go! 🚀 pic.twitter.com/Qih6EEMWrQ
Here is more information on Rocket Factory Augsburg and the launcher they are developing.
Posted at
13:46
TRACKING WITH CLOSEUPS: Google AI—“ High Fidelity Image Generation Using Diffusion Models”
“Computer, enhance!” is now reality!
— Valentina Vee (@valentinavee) August 29, 2021
SR3 takes a low-res image (64x64) & progressively adds noise until only pure noise remains. It then learns to reverse this process, removing noise to create a 1024x1024 image. https://t.co/Jc2TDdxklr pic.twitter.com/5W1iGL6pSr
Posted at
12:39
CONTINUITY: After More than Six Decades and Five Generations, Atlas Rocket to Retire
Of course, today's Atlas V rocket has nothing in common with the original Atlas ICBM other than the name, having abandoned its original stainless steel pressure-stabilised “balloon” propellant tanks, 1½ stage architecture, and now using Russian RD-180 engines.
Posted at
12:02
THE HAPPENING WORLD: Material that's Black in Visible Light, White in Infrared
2D titanium-carbon layers (MXene) on top of Nylon can create a surface that is black in the visual spectrum, but white in the IR spectrum.https://t.co/xl4f47zp8r
— ToughSF (@ToughSf) August 29, 2021
It absorbs sunlight but does not radiate. It reached +62°C in direct sunlight compared to ambient temperature! pic.twitter.com/athtUopvqQ
Here is the paper: “2D MXenes: Visible Black but Infrared White Materials”. It absorbs up to 90% of incident sunlight, but radiates away as little as 10% in the infrared.
Posted at
11:43