Random Engineering, Physics, ..., Concepts and Ideas

https://www.reddit.com/r/AerospaceEngineering/comments/w2b7ue/my_team_won_an_interuniversity_uav_competition/

Using a CNC Router to Machine Aerospace Grade Mold Patterns (part 2)

Most complicated CARBON FIBER part in the DarkAero 1!

https://www.reddit.com/r/oddlysatisfying/comments/w3hju1/this_corner_folding_device/

https://www.reddit.com/r/MechanicalEngineering/comments/w2lids/what_are_the_benefits_of_this_gear_and_tooth/