Mr. Smarty Pants Knows
Buick vs. Mercedes-Benz, lithium-ion batteries vs. gasoline, and more
Today's best lithium-ion batteries can hold about 200 watt-hours per kilogram – a measure of energy density – and they might theoretically be able to store about 400 watt-hours per kilogram. Gasoline has a density equivalent of around 13,000 watt-hours per kilogram.
The average American eats 33 pounds of cheese a year. The average French person eats 53 pounds.
McCoy Tyner, famous for being jazz saxophonist John Coltrane's innovative yet melodic pianist during the 1960s, has a brother named Jarvis who is executive vice chairman of the Communist Party USA.
Each second, the sun converts about 700 million tons of hydrogen into 695 million tons of helium.