Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic weight of 1.00794 u, hydrogen is the lightest element on the periodic table.
Motive power device
Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect. Lighting includes the use of both artificial light sources like lamps and light fixtures, as well...
In imaging science, image processing is any form of signal processing for which the input is an image, such as a photograph or video frame; the output of image processing may be either an image or ...
Carbon heater
The ammonium cation is a positively charged polyatomic ion with the chemical formula NH4+.[1] It is formed by the protonation of ammonia (NH3).
Control device for the electric wheelchair
In the physical sciences, a particle is a small localized object to which can be ascribed several physical or chemical properties such as volume or mass.
Nitrogen, symbol N, is the chemical element of atomic number seven. At room temperature, it is a gas of diatomic molecules and is colorless and odorless.
Bottled medium
Walking support
Decomposing rubber
A sensor is a converter that measures a physical quantity and converts it into a signal which can be read by an observer or by an (today mostly electronic) instrument. For example, a mercury-in-gla...
Inspection device of a clam
A semiconductor is a pure crystaline material which has electrical conductivity between that of a conductor such as copper and that of an insulator such as glass. Semiconductors are the foundation ...
Cutter for plant
In geometry, a spring is a surface in the shape of a coiled tube, generated by sweeping a circle about the path of a helix.
Displacement measurement device
Image Capture is an application program from Apple that enables users to upload pictures from digital cameras or scanners which are either connected directly to the computer or the network. It prov...
