Carbohydrates are chemical compounds that contain oxygen, hydrogen, and carbon atoms. They consist of monosaccharide sugars of varying chain lengths and that have the general chemical formula ... > more
Newton's cradle or Newton's balls, named after Sir Isaac Newton is a device that demonstrates conservation of momentum and energy.
It is constructed from a series of pendulums (usually five in ... > more
Security engineering is the field of engineering dealing with the security and integrity of real-world systems. It is similar to systems engineering in that its motivation is to make a system meet ... > more
Nature (also called the material world, the material universe, the natural world, and the natural universe) is all matter and energy, especially in its essential form. Nature may refer to the general ... > more
The constructal theory of global optimization under local constraints explains in a simple manner the shapes that arise in nature. It is the thought that flow architecture comes from a principle of ... > more
Redox reactions include all chemical processes in which atoms have their oxidation number (oxidation state) changed. Substances that have the ability to oxidize other substances are said to be ... > more
The literal definition of the term macromolecule implies large molecule. In the context of science and engineering, the term may be applied to conventional polymers and biopolymers (such as DNA) as ... > more