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June 7, 2021 Archives
Monday, June 7, 2021
CONTEXT: Controlling a Plant with the Mind
Posted at
13:18
CONTINUITY: Pushing a One-Ton Trailer with Homemade Solid Rocket Motors
Detailed instructions are given for making professional-type polybutadiene composite propellant grains, and performance is measured and compared among composites (with and without catalyst) and simple sugar-based motors.
Posted at
11:41
CONTEXT: Proton Sabre—Hydrodynamic Tunnelling in Particle Accelerator Beam Dumps
High energy particle beams can penetrate much deeper into a target than you would expect, through 'hydrodynamic tunnelling', with implications for shielding at @CERN.
— ToughSF (@ToughSf) June 6, 2021
A PhD project demonstrates this in copper:https://t.co/DItBbdXI8B pic.twitter.com/bbRQ1SDV36
You'll have to click through TLS warnings to get to the abstract linked above. The full text of the dissertation [PDF] is available.
Posted at
11:14