What is the instrument used to measure sunshine?

What is the instrument used to measure sunshine?

Measurement is performed by instruments called sunshine recorders. For the specific purpose of sunshine duration recording, Campbell–Stokes recorders are used, which use a spherical glass lens to focus the sun rays on a specially designed tape.

What part of the atom determines its chemical properties?

However, the properties of the electrons of an atom are determined in large part by the number of protons present in the nucleus of the atom. The number of neutrons generally has a neglegible effect upon the properties of the electrons which are of chemical significance.

How much did the inventor of the microwave make?

Percy Spencer was working as a researcher for American Appliance Company (now Raytheon) when he noticed a radar set using electromagnetic waves melted the candy bar in his pocket. He had the idea to make a metal box using microwaves to heat food, but the company was the one to file the patent. He received a $2 bonus but never any royalties. 

How long does it take for brown recluse eggs to hatch?

Adult brown recluse spiders often live about one to two years. Each female produces several egg sacs over a period of two to three months, from May to July, with approximately fifty eggs in each sac. The eggs hatch in about one month. The spiderlings take about one year to grow to adulthood.

How many pages can you make out of a tree?

Since trees are different sizes, it would be difficult to say how much paper comes from one tree. According to one paper manufacturer, however, a cord of wood measuring 4 feet by 4 feet by 8 feet—or 128 cubic feet—produces nearly 90,000 sheets of bond-quality paper or 2,700 copies of a 35-page newspaper.

Are raccoons related to bears?

Raccoons are in the family Procyonidae, along with ring-tails and coatis. The bear family and raccoon family are closely related. Red pandas (often called lesser pandas) are now put in the raccoon family.

Why are your lips red?

Your lips’ red or pink pigment comes from underlying blood vessels — red-colored, blood-filled capillaries are close to the thin skin on your lips. The transition of the reddish-pink outline of your lips to the rest of the skin is called the vermillion border, and it’s found only in humans.

What conditions are needed for a grasshopper to hop?

A grasshopper needs a minimum temperature of 62 * F in order to be able to hop.