Why did they use mercury to make hats?

Why did they use mercury to make hats?

The origin of the phrase, it’s believed, is that hatters really did go mad. The chemicals used in hat-making included mercurous nitrate, used in curing felt. Prolonged exposure to the mercury vapors caused mercury poisoning.

What state is the source of the Mississippi River?

The source of the Upper Mississippi branch is traditionally accepted as Lake Itasca, 1,475 feet (450 m) above sea level in Itasca State Park in Clearwater County, Minnesota.

What town was Woodstock in?

It was held at Max Yasgur’s 600-acre (240 ha; 0.94 sq mi) dairy farm in the Catskills near the hamlet of White Lake in the town of Bethel, New York, from August 15 to August 18, 1969. Bethel, in Sullivan County, is 43 miles (69 km) southwest of the town of Woodstock, New York, in adjoining Ulster County.

How much does a square foot of granite weigh?

The weight of granite depends on its density. The average 3/4″ thick granite weighs 13 pounds per square foot, 1 1/4″ thick granite weighs around 18 to 20 pounds per square foot, and 2″ thick granite weighs about 30 pounds per square foot.

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”.

Who warned Julius Caesar about the Ides of March?

This meeting is famously dramatised in William Shakespeare’s play Julius Caesar, when Caesar is warned by the soothsayer to “beware the Ides of March.” The Roman biographer Suetonius identifies the “seer” as a haruspex named Spurinna.

Do cats meow to each other?

Jupiter’s moon Ganymede is the largest moon in the Solar System, and Ganymede as well as Saturn’s moon Titan are both larger than Mercury and Pluto. Earth’s Moon, Jupiter’s moons Callisto, Io, and Europa, and Neptune’s moon Triton are all larger than Pluto, but smaller than Mercury.

How much energy do U.S. cows generate by burping?

Researchers at the Texas Department of Highways in Fort Worth determined the cow population of the U.S. burps some 50 million tons of valuable hydrocarbons into the atmosphere each year.  The accumulated burps of ten average cows could keep a small house adequately heated and its stove operating for a year.