The gas mask is a device, when used protects the user from breathing in toxic gases and pollutants. The gas mask was invented by Garrett A. Morgan and patented in 1914, though there were others who had worked on these masks before this invention. Garrett’s […]
Large numbers of people are effected by the problem of body odor. You feel embarrassed when your body stinks and you avoid getting closer to your friends. Generally the body odor or bad smell is due to the growth of odor causing bacteria. Because when […]
A box by which we see images and hear sounds is called television. Let us know about its invention and development. In 1862 Abbe Giovanna Caselli invented pantelgraph which sends the still images with wires. May and Smith the other scientists in 1873 started their […]
Lungs are a major organ of the respiratory system in our body. They are an extremely important part of the respiratory system. They help us to inhale oxygen and ensure that the cells and organs in our body have an adequate amount of oxygen, while […]
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 […]
The incident started in the beginning of 20th century when a Vietnamese nationalist Ho Chin Minh was studying in U.S and wrote to president to seek their help to run the country which was then under French but all this was not attended by U.S […]
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 […]
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 […]
Pacific Ocean is the largest of all the water bodies on the earth. It has got its name from a Latin word “Mare Pacificum†which means “peaceful sea†given by Ferdinand Magellan a Portuguese explorer. Pacific Ocean is 12999 meters deep. The deepest point in […]
Algae are a type of plant that grows in water. It is unicellular (made up of only one cell) or multicellular (made up of more than one cell). In oceans and seas algae is in the large and complex form known as seaweed where as […]
