Why is my dryer radioactive?(physics.stackexchange.com)

629 points by jpitz 3 years ago | 148 comments

Physics Stack Exchange question asking why a Geiger counter reads elevated radiation inside a clothes dryer right after a drying cycle.

Can tin foil hats block anything? (2015)(physics.stackexchange.com)

38 points by gitinit 2 years ago | 27 comments

Why don't we define “imaginary” numbers for every “impossibility”? (2012)(math.stackexchange.com)

98 points by curling_grad 3 years ago | 74 comments

Why did these algae grow like this in the pool?(physics.stackexchange.com)

77 points by pyinstallwoes 3 years ago | 13 comments

Why does holding a key fob to your head increase its range?(physics.stackexchange.com)

581 points by jasonhansel 2 years ago | 145 comments

A Physics Stack Exchange question asking why holding a remote car key fob against your head or body extends its range.

Recent advances in computer science since 2010?(cstheory.stackexchange.com)

43 points by azeemba 3 years ago | 7 comments