Inflatable heat shields
Inflatable heat shields to protect the space payload during atmospheric re-entry. Read more
by astronut May 19, 2026 3 Comments 3 Links
#atmosphericreentry, #engineering, #heatshields, #payload, #reentry, #science, #space,
by djloon May 15, 2026 3 Comments 3 Links
#electrolysis, #gadgets, #oxygen, #science, #technology, #watertooxygen,
by Tomwright May 5, 2026 2 Comments 2 Links
#bonedensity, #bones, #health, #healthy, #medicine, #science, #supplements,
…. and only 1 type of 55er groupies!
Unrelated cheesy question:
What is the volume of a disk with radius z and height a?
Answer:
Pi z z a!
The problem may be to do with the fact that mathematicians have been allowed to name things. I guess they felt they were qualified to do so because they saw physicist name things and decide to have a bash at it themselves.
Fortunately, physicists trump chemists and use chemistry words like “metal” to mean any element above helium. Why not? They got away with it and it’s their world too.
Let’s just hope those clever fundamentals mathematicians don’t start trumping the physicists with language. After all, this is the “real” world we are dealing with here. (joke)
Wait up, from this subreddit I hear of Calc 3 – what gives?
“Why is Calc 1 called “Single variable calculus” and why is Calc 3 called “Multivariable Calculus”