Do your eyes see upside down?

Do your eyes see upside down?

The human eye actually sees everything upside down. Light enters the eye through the cornea and is further refracted when it hits the lens. Here it is flipped upside down and projected onto the retina.

Is pure water a conductor?

Pure water is not a good conductor of electricity. Ordinary distilled water in equilibrium with carbon dioxide of the air has a conductivity of about 10 x 10-6 W-1*m-1 (20 dS/m). Because the electrical current is transported by the ions in solution, the conductivity increases as the concentration of ions increases.

When did they start filming The Lord of the Rings?

Principal photography for all three films was conducted concurrently in many locations within New Zealand’s conservation areas and national parks between 11 October 1999, and 22 December 2000, a period of 438 days. Pick-up shoots were conducted annually from 2001 to 2004.

Can you predict an earthquake?

No, and it is unlikely they will ever be able to predict them. Scientists have tried many different ways of predicting earthquakes, but none have been successful. On any particular fault, scientists know there will be another earthquake sometime in the future, but they have no way of telling when it will happen.

Can Cows Walk Down Stairs?

It is a widely held belief that cows and horses cannot walk down stairs. These animals can’t easily see the ground right at their feet and the design of their hips and knees makes it hard to shift their weight backwards to stop them tumbling headlong down the steps.

Why do they call french fries french fries?

As for the name “French fries”, it is alleged to come from either the Irish “to french”, meaning “to cut”, or from the American allies who, when they landed in the Belgian Ardennes, tasted our incomparable fried potatoes and called them “French fries.”

When were hieroglyphics created as a written language?

Archaeological discoveries suggest that Egyptian hieroglyphs may be the oldest form of writing. The earliest evidence of an Egyptian hieroglyphic system is believed to be from about 3300 or 3200 BC, and the Egyptians used hieroglyphs for the next 3,500 years.

Where were two famous ancient Greek battles fought?

The War fought between the two leading city-states in ancient Greece, Athens and Sparta. Description: The Peloponnesian War (431-404 B.C.) took place between the Athenian empire and Peloponnesian league lead by the Spartans. The Peloponnesian league was a coalition of the Thebes, Corinth and Sparta.