Tend+by+gravity
101Entropy (arrow of time) — Entropy is the only quantity in the physical sciences that picks a particular direction for time, sometimes called an arrow of time. As one goes forward in time, the second law of thermodynamics says that the entropy of an isolated system can… …
102Mechanical explanations of gravitation — (or kinetic theories of gravitation) are attempts to explain the action of gravity by aid of basic mechanical processes, such as pressure forces caused by pushes, and without the use of any action at a distance. These theories were developed from …
103Mars — This article is about the planet. For other uses, see Mars (disambiguation) …
104geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …
105Hawking radiation — is a thermal radiation with a black body spectrum predicted to be emitted by black holes due to quantum effects. It is named after the physicist Stephen Hawking, who provided a theoretical argument for its existence in 1974, and sometimes also… …
106Tap (valve) — Spigot and faucet redirect here. For other uses, see Spigot (disambiguation). A valve tap is a noise made by the valves of internal combustion engines; see Poppet valve > Internal combustion engine. Indoor Tap commonly found in the bathroom or …
107Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… …
108Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the… …
109List of Air Gear characters — This is a list of characters in the anime/manga series Air Gear. Contents 1 Major teams 1.1 Kogarasumaru 1.1.1 Itsuki Minami 1.1.2 Kazuma Mikura …
110physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
