That's actually smaller than I would have thought. I wouldn't have expected our solar system to even be visible in comparison.
They do appear to be similar to me. They have the spout at the back.
Maybe so. I don't think it's evidence that anarchy is the best solution, just that neolithic societies without hierarchies were still able to achieve amazing things.
But it's not like they were making cars and computers, this is a drainage system. It's very impressive for stone age people, but they are still stone age people.
Wow.
Mercury arc valves remain in use in some South African mines and Kenya (at Mombasa Polytechnic - Electrical & Electronic department).
Amazing how we're still using such old technology in some places when we have semiconductors.
That said, a microscope that generates its own light without electricity could be quite useful...
A skein is a coil of yarn or other thread.
Shameful that this is so upvoted.
The Vikings expanded throughout Russia by using the Volga as a highway.
Aim for the head. Two taps.
Feed me, Seymour....