[Request] How many butt hairs would be needed to filter diarrhea? How thin would they be?

[Request] How do I calculate the angle of this diagonal support, given it's width and the frame's width & height?

[Request] How much plastic am I actually saving from the landfill by refilling my handwashes?

The bottle on the right says 80 fl oz, 2.5 qz, 2.36 liters.

[Request] Someone commented That it looks like a giant bomb hitting the eiffel tower. How high would be the explosion Power and how big would be the explosion radius?

[Request] How much would this handful of gems have been worth in 1985? Would that have been enough to save at least 6 average size American homes from foreclosure?

Who is this? Spotted in a small city near Lisboa, Portugal.

2x Great Grandpa helped build part of Route 66. Any idea what these old cars are behind them?

Early-mid 1900s car in Iran. Checked Skoda, Tatra, Borgward, Morris, and other makes.

Best guesses?

might be a shot in the dark, but what is this porsche?

Looks like if lexus did a celica