Who invented electric Water Heater?

Edwin Ruud, a Norwegian mechanical engineer invented the electric water heater in 1889 that has now become an indispensible part of every household and certain commercial organizations and industries. He founded the Ruud Manufacturing Company where these devices were manufactured and sold. Ruud’s design had […]

How do cochlear implants work?

Cochlear implants are used by people who are medically termed as deaf or are extremely hard of hearing. The implant itself has two plants. The first part of the implant is fixed behind the ear, while the second portion of the implant is surgically implanted […]

How does a car engine work?

A car engine is usually an internal-combustion engine and there are various types of internal-combustion engines. The various types of internal-combustion engines that power the car are diesel engines and gasoline engines. All types of internal-combustion engine have their advantages and their disadvantages. The external […]

How fast do airplanes go?

Speed varies from plane to plane but average speed of a plane is five hundred and eighty miles per hour. Jet airlines can fly at the speed of 600 mph. And some others can go at the 2000 mph. It depends from aircraft to aircraft. […]

Who invented hair dryer?

A hairdryer or blow dryer is an electromechanical gadget that blows hot or cool air over damp or wet hair to aid in quick drying of wet hair. Alexandre Godefoy of France invented the electric hair dryer in 1890. Before the hairdryer was invented men […]

How does a solar cell work?

The solar cells can be used as the alternative source of electricity. As all know the fossil fuels and other sources of energy such as coal which we have been utilizing so far for making electricity is decreasing day by day. The solar power can […]

How do solar panels work?

Nowadays, a large number of people are opting for the alternative sources of energy, such as solar energy. Solar energy can be used effectively for operating various electrical and mechanical devices by using solar panels. Solar panels are used for emergency traffic lights, powering heaters […]

How do dams work?

Dams stand as one of the earliest inventions of humankind. Aqueducts were built in Rome to control the flow of water. Modern dams show the great ingenuity of human brain and have taken the early concept to a whole new level. Dams help us in […]

How do smoke alarms work?

It takes nearly four minutes for a small flame to turn in a big fire. There should be smoke alarms in every house and office so that the first whiff of smoke can be detected to save the life of people. Smoke detectors are of […]

How do MP3 players work?

MP3 technology has taken the world by storm and has been readily accepted by people. MP3 players have no moving parts and deliver high-quality sounds. They are portable and can be carried by those that love their music on the go. An MP3 player consists […]