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Inventions

The Seismometer is an instrument designed to measure the motions of the ground. This includes seismic waves generated by earthquakes, nuclear explosions, and other seismic sources. Records of these activities allow seismologists to map the interior of ...

A remote control is an electronic device that can operate another piece of electronic equipment wirelessly from a short line-of-sight distance. Although it goes by many names, it is most commonly called the remote. They are usually small wireless h...

Cellophane, made of regenerated cellulose, is a thin, transparent sheet with low permeability to air, oils, greases, and bacteria. In many countries it is a registered trademark of Innovia Films Ltd. Cellulose from most sources is dissolved in alkali a...

Charles Francis Jenkins and Thomas Armat created the Vitascope, an early film projector, in 1895. They demonstrated the Vitascope at the Cotton States Exposition in Atlanta, they called it the Phantoscope. Armat and Jenkins fought over the rights to th...

A zipper is a device that temporarily joins two edges of fabric. It is used in clothing, luggage and other bags, sporting goods, camping gear, and other daily use items. The edges are fixed with tens to hundreds of specially shaped metal or plastic ...

A metal detector is a device that finds metal that may not be visible. The basic metal detector is composed of an oscillator producing an alternating current that passes through the coil producing an alternating magnetic field. If electrically conducti...

A safety razor, designed to protect the user from serious injury, is a razor where the facial skin is protected from all but the very edge of the blade. Prior to using a safety razor, most men used a straight razor. These razors, although still availab...

Roll film is any type of spool-wound photographic film. The film is protected from white light exposure by a paper backing as opposed to film which is protected by being wound forward in a cartridge. It was originally referred to as "cartridge" film du...

The telephone is a telecommunications device that transmits and receives sound generally the human voice. The phone's basic function is to allow people who are separated by large distances to talk with each other. The telephone is used across the world...

Staplers, used widely in government, business, offices, and schools, are mechanical devices that join sheets of paper by driving a metal staple through the paper. The first stapler was created for King Louis XV. Each staple was inscribed with the insig...

The Cathode Ray Tube, which has internal or external means to accelerate and deflect electron beams, is a vacuum tube containing an electron gun and a fluorescent screen. The electron beams that are deflected are used to create images in the form of li...

Pasteurization, used to slow microbial growth in food, is a process of heating food or liquid to a specific temperature for a definite length of time and then cooling immediately. Louis Pasteur was the creator of the process and completed his first tes...

Dynamite, invented by Swedish chemist Alfred Nobel in 1867, is an explosive that harnesses the potential of nitroglycerin to explode. Normally it is sold in an 8 inch long stick and weighs about .6 pounds although other sizes do exist. TNT is usually t...

The incandescent light bulb provides a source of electric light through incandescence. The bulb works by passing current through a filament which heats to a temperature that produces light. The glass bulb that contains the filament prevents oxidation o...

A Mason jar, invented by Rick Mason in 1858, is a glass jar used in canning to preserve food. Ball Corp. manufactured the jars early on and the name ball jar was also applied to the jars. In mass-production they have been replaced by other methods; how...

A gyroscope uses the principles of conservation and angular momentum to measure and maintain orientation. The mechanical gyroscope is a spinning wheel or disk whose axle is free to take any orientation. The gyroscope's high rate of spin allows for larg...

A Bunsen burner produces a single open gas flame; it is commonly found in labs - used for heating, sterilization, and combustion. Robert Bunsen, in 1852, was hired at the University of Heidelberg and promised a new laboratory building. Heidelberg had j...

A tuning fork, formed of a two-pronged fork, is an acoustic resonator with prongs formed from a U-shaped bar of elastic metal. When struck against a surface it resonates at a specific constant pitch emitting a pure musical tone after waiting a moment f...

A thermostat regulates the temperature of a system and keeps the system's temperature at desired setpoint temperature. The device does this by turning heating and cooling devices on and off and regulating air flow of a heat transfer fluid as needed. Th...

A telescope, designed to aid the observation of remote objects, collects some form of electromagnetic radiation (such as visible light). The Netherlands developed the first known practical telescope in the 17th century. The term "telescope" was termed ...