The period of a 261 hertz sound wave is

The plum pudding model of the atom state that ?

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)

Arrange the images in order to show how lake-effect snow occurs.