How many combinations are their for the first four moves in a chess match?

How many combinations are their for the first four moves in a chess match?

There are 318,979,564,000 possible combinations of the first four moves in Chess.

What planet is tilted at 90 degrees?

Uranus: Planet Uranus is rotating on its side. The direction of Uranus’s rotational axis through its north pole is almost in the direction of its orbit around the Sun, hence its axial tilt is 97.77 degrees.

How much gravity does the moon have compared to earth?

The gravity on the Moon is about 17% what it is on the Earth. So if you weigh 200 pounds on Earth, you will weigh 34 pounds on the Moon.

What animal sleeps 18 to 20 hours a day?

The sleepiest animal in the world is the koala, who sleeps 22 hours a day. Next is the sloth (20 hours), armadillo and opossum (tied at 19 hours each), lemur (16 hours), then hamster and squirrel (tied at 14 hours each).

Who invented the first vending machine?

The first modern coin-operated vending machines were introduced in London in the United Kingdom in the early 1880s, dispensing post cards. The machine was invented by Percival Everitt in 1883 and soon became a widespread feature at railway stations and post offices, dispensing envelopes, postcards and notepaper.

How is food cooked in a microwave?

Cooking with Microwaves. Microwaves are produced inside the oven by an electron tube called a magnetron. The microwaves are reflected within the metal interior of the oven where they are absorbed by food. Microwaves cause water molecules in food to vibrate, producing heat that cooks the food.

How long is the Hadron Collider tunnel?

The LHC is the world’s largest and highest-energy particle accelerator. The collider is contained in a circular tunnel, with a circumference of 27 kilometres (17 mi), at a depth ranging from 50 to 175 metres (164 to 574 ft) underground.

How much does an ATM weigh?

The weight of an ATM machine is typically 150 – 250 pounds or more (depending on the model).