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,
You can make this beautiful version at instructables.
zillions of options have been suggested. it likely won’t change though. Its; just wrong and likely will be forever. Just to confuse students.
This, but it looks like that “is it a rabbit or a duck” puzzle.
A more useful periodic table
(3 upvotes)The periodic table isn’t a table, it wraps around itself
(2 upvotes)I’ve always wondered what it would look like if each square’s area was proportional to the element’s abundance on Earth, or the Cosmos. I am linking to this as although it isn’t it, it does give it a modern day twist.
This is cool, I made one at college once, and wished you could buy them as they are great. A magnetic one that you could assemble and disassemble would be a great gift too.
This?