ScienceNostalgia101

How to create a super-powered spray bottle?

Lime juice as vinegar substitute for window washing purposes?

How did genetic capacity for allergies not get weeded out?

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How not to keep too warm OR cold under a costume...

When measuring greenhouse gas emissions per person / per country, how do they assign culpability?

Dusty / misty looking air in the immediate aftermath / vicinity of a freshly popped balloon?

Artificial mountain range to capture hurricane moisture?

Childhood hyperactivity; what makes it a bad thing?

Are condemned buildings really "demolished"? If so why aren't they renovated or burned?

How best to disinfect a plastic beverage cap that fell on the floor?

• 3

Tradeoffs between photovoltaics and thermal!solar, as solar power goes.

Validity of the claim that Will Smith "could've killed" Chris Rock

• 7

Physics of video games

Implications of movie physics

Lockable safe made of glass or clear plastics?

Assessing the realism of fictional portrayals of chemistry

Biological realism of movie scenes megathread?

Is there any program that can convert letters to numbers and/or words into sums thereof?

Refrigeration / cooking and waste heat in winter

Latest study refuting the lab leak theory

"Tradeoffs between alternative technologies" [elevated rail vs subway]

Rainwater collection, on smaller and larger scales

Keeping items in the refrigerator cool / keeping stuff in the freezer cold

Beds in lieu of seats on airplanes?

Good programs for converting paper scans to text and/or directly to audio?