Angstrom (angstrom unit)

The angstrom unit (Å) is a unit of length used to measure very small distances. It is equal to one ten-billionth of a meter (0.0000000001 meter), or one hundred-thousandth of a micrometer. The angstrom unit is named after the Swedish physicist Anders Jonas Ångström (1814-74). Is angstrom an SI unit? No, angstrom is not an … Read more


A dendrimer is a three-dimensional, branched macromolecule with a relatively high molecular weight. The term “dendrimer” is derived from the Greek word “dendron”, which means “tree”. Dendrimers are typically synthesized using a “bottom-up” approach, starting with a core molecule that is then functionalized with monomers to create branching points. This process is repeated until the … Read more

Gesture recognition

Gesture recognition is a technology that can interpret human gestures and convert them into commands or information. It is used in a variety of applications, including gaming, human-computer interaction, sign language recognition, and virtual reality. Gesture recognition systems typically use a camera or other sensor to track the movement of objects, such as the hands … Read more