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When was the first penny made in America?
The one-cent coin was made legal tender by the Coinage Act of 1864. In 1909, Abraham Lincoln was the first historical figure to grace a U.S. coin when he was portrayed on the one-cent coin to commemorate his 100th birthday. The Lincoln penny was also the first U.S. cent to include the words "In God We Trust."

What is the shortest English sentence that uses all the letters in the English alphabet?
"The quick brown fox jumps over the lazy dog" is an English-language pangram—a phrase that contains all of the letters of the alphabet. It is used to show fonts and to test typewriters and computer keyboards, and in other applications involving all of the letters in the English alphabet.

What does the medical symbol stand for?
Hermes was the god of commerce, so this symbol has been used incorrectly to identify the medical profession. The correct symbol is the Rod of Asclepius, the god of healing and medicine. The Rod of Asclepius has a staff and one serpent.

When was the first electric guitar made?
To counteract these problems, inventors experimented with solid-body guitars. In 1940, Les Paul created “The Log,” a guitar whose strings and pickups were mounted on a guitar body carved from a solid block of wood. The first recordings of electric guitars were made in 1933 by Hawaiian music artists such as Andy Iona.

Who is King Hrothgar?
Hrothgar is the king of the Spear-Danes when Beowulf arrives in their land, ready to fight the demon Grendel. Many years earlier, Hrothgar paid money to the Wulfings to resolve a blood feud they had with Ecgtheow, Beowulf's father.

Which is the only continent without glaciers?
Glaciers are present on every continent and approximately fifty countries, excluding those (Australia, South Africa) that have glaciers only on distant subantarctic island territories. Extensive glaciers are found in Antarctica, Chile, Canada, Alaska, Greenland and Iceland.

Why does water boil faster with salt?
If you look at the heat capacity of salt water, you will find that it is less than pure water. In other words, it takes less energy to raise the temperature of the salt water 1°C than pure water. This means that the salt water heats up faster and eventually gets to its boiling point first.

How many miles per hour does the earth move around the sun?
The circumference of the Earth at the equator is 25,000 miles. The Earth rotates in about 24 hours. Therefore, if you were to hang above the surface of the Earth at the equator without moving, you would see 25,000 miles pass by in 24 hours, at a speed of 25000/24 or just over 1000 miles per hour.

How hot does it get on Mars?
The temperature on Mars may reach a high of about 70 degrees Fahrenheit (20 degrees Celsius) at noon, at the equator in the summer, or a low of about -225 degrees Fahrenheit (-153 degrees Celsius) at the poles.

Who put the flag on the moon?
Apollo 11 blasted off on July 16, 1969. Neil Armstrong, Edwin "Buzz" Aldrin and Michael Collins were the astronauts on Apollo 11. Four days later, Armstrong and Aldrin landed on the moon. They landed on the moon in the Lunar Module.