A cat’s ability to see well at night is due to its ” tapetum lucidum “, a structure that reflects visible light back through the cat’s retina. It’s also what causes the eyes’ weird ‘glowing’ effect in the dark.

Scientists detected an atomic nucleus traveling at 99.9999999999999% of the speed of light, with energy 20 quintillion times that of visible light. It was appropriately named the “Oh-My-God Particle.”

Billionaire Howard Hughes bought the small Silver Slipper casino for the sole purpose of moving its trademark neon silver slipper. Visible from Hughes’ bedroom, it had apparently kept him awake at night.