What year was the ballpoint pen invented?

What year was the ballpoint pen invented?

It was a familiar frustration that led to the invention of the modern ball-point pen – leaky ink. In 1938, Hungarian newspaper journalist Laszlo Biro noticed the ink used on the printing presses dried quickly and so tried using it in a fountain pen to avoid the problem of leaks, blots and smudges.

What do penguins drink?

When ashore they will drink fresh water from pools and streams and can sometimes be seen drinking water preened off their backs during rain showers. At sea penguins must drink salt water and they are able to do this because they have special glands abound the eye sockets that extract excess salt from the blood.

What city extends to two continents?

Almost all of it lies in Asia, but a small portion extends into Europe. Istanbul, the largest city of Turkey and best-known example. The Bosporus Strait separates its European and Asian portions.

What subject did Albert Einstein fail?

He did outstandingly well in physics and mathematics, but failed the non-science subjects, doing especially badly in French – so he was not accepted. So in that same year, he continued his studies at the Canton school in Aargau (also called Aarau).

What was the last film personally overseen by Walt Disney?

The Jungle Book (1967) – Trivia – IMDb. The Jungle Book (1967) The last film personally overseen by Walt Disney.

What does the bb in bb gun stand for?

The “BB” in bb gun does not stand for ‘ball-bearing’. ‘BB’ began as the size of a shot (intended for use within a shotgun shell) which fell midway between ‘b’ and ‘bbb’ types. An inventor eventually began using ‘bb’ as a single projectile, hence the name.

What is the meaning of oy vey?

Oy vey (Yiddish: אױ װײ), oy vay, or just oy—or even more elaborately oy vey ist mir—is an exclamation of dismay or exasperation like “woe is me”.

Do water and ice weigh the same?

The ice cup will weigh the same as when it was in liquid form but the volume of ice in the cup will be larger than what it was in liquid form. This is because when ice crystallizes into its hexagonal structure the water molecules are farther apart than when they are in the liquid state.