When was the wireless phone invented?

When was the wireless phone invented?

A jazz musician named Teri Pall invented a version of the cordless phone in 1965 but could not market her invention, as its 2-mile (3.2 km) range caused its radio signals to interfere with aircraft communications. In 1968, she sold her rights to the cordless phone to a manufacturer who modified it for practical use.

Where are apples indigenous?

The tree originated in Central Asia, where its wild ancestor, Malus sieversii, is still found today. Apples have been grown for thousands of years in Asia and Europe, and were brought to North America by European colonists.

Do insects have lungs?

Instead of lungs, insects breathe with a network of tiny tubes called tracheae. Air enters the tubes through a row of holes along an insect’s abdomen. The air then diffuses down the blind-ended tracheae. Since the biggest bugs have the longest tracheae, they should need the most oxygen to be able to breathe.

Who lives longer on average; left handed or right handed people?

Right-handed people live, on average; nine years longer than left handed people.

What kind of bees can sting more than once?

Wasps and many bees can sting more than once because they are able to pull out their stinger without injuring themselves. Only honeybees have special hooks on their stinger that keep the stinger in the skin after a person is stung. The stinger gets torn out of the bee’s body as it tries to fly away.

Who was the first Renaissance artist to use oil paints?

Most Renaissance sources, in particular Vasari, credited northern European painters of the 15th century, and Jan van Eyck in particular, with the “invention” of painting with oil media on a wood panel support (“support” is the technical term for the underlying backing of a painting).

Is the piano a string instrument?

There are also problems with classifying certain keyboard instruments. For example, the piano has strings, but they are struck by hammers, so it is not clear whether it should be classified as a string instrument or a percussion instrument.

What was inside the first Faberge egg?

Peter Carl Faberge’s first egg for the Russian royals is also called the hen egg and was made of gold and white enamel. The inside of the egg had a yolk made of gold within which was a golden hen. The eyes of the hen were made of rubies. The golden hen concealed a miniature crown and at the centre hung a tiny ruby egg.