i just really want to know how camera obscura works

Not sure if this is strictly American thing. But I saw a bumper sticker on someone’s car recently that said (neighborhood name) Montessori School on it. I looke

How much do "slits" in fabric and "bases" make a difference in a sail-like cloth? I'm trying to shop for an outdoor umbrella. One thing that keeps coming up ag

Even with different costs and different brands, it still has that annoying high pitched motor.

I keep hearing terms like Cloudflare, Akamai, Fastly - but what do they really do behind the scenes, and why do companies rely on them so heavily?

When it comes to alternatives to the clearnet usually the name that pops up is Tor or some similar software. I think I get what Tor roughly is but both i2p and

For bullet or fast trains, "aerodynamics" are very important. But we see differently shaped fronts on trains from different countries. There must be one shape w

When "produce" is a verb meaning "to create or manufacture", it's pronounced with the emphasis on the second syllable, as "pruh-DUSS". But when it's a noun mea

I am clueless! Please and thank you?!

How exactly does it kill the body/brain?

Charcoal is from plants, coal is from the ground, and coke is what happens when coal goes through dry distillation. But as far as I can tell, charcoal and coke

I know that it is an eating disorder, but to me it seems like a smart thing to do right? You don’t want to absorb the bad food, so you get rid of it. I don’t do

I just noticed when driving that wind turbines rotors have a slight bend at the very end of every rotor. Is this a damaged wind turbine or is it intentional?

Like when someone wins a medal or sees a loved one after a long time, they just start crying, even though it’s a happy moment. What’s going on in the brain or b

If your body is producing abnormal cells why wouldn’t you notice the changes before it starts spreading everywhere?

Why does it slow down and why do things like problems with updates, general feeling of slowness and the inevitability of you a lot of the time having to reset/r

I understand that each animals respective environment and food supply contributes to its survival for certain amounts of time without food. But why? Wouldn’t it

Elasmosaurus has the saurus suffix but it's not a dinosaur. Eurhinosaurus is a fish but it's not a dinosaur.