liquid nitrogen refrigerator

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• Liquid helium — Helium exists in liquid form only at very low temperatures. The boiling point and critical point depend on the isotope of the helium; see the table below for values. The density of liquid helium at its boiling point and 1 atm is approximately… …   Wikipedia

• Frozen bovine semen — Using frozen semen for dairy cattle has been done since the 1950 s. The oldest semen believed to be in existence was from a sire named Cottonade Emmet, who was a member of the American Breeders Service sire battery in 1952. Semen was collected on …   Wikipedia

• Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… …   Wikipedia

• Cryostat — NASA s WISE infrared instrument is kept cold by a cryostat. The cryostat can be seen at the top of the spacecraft. A cryostat (from cryo meaning cold and stat meaning stationary) is a device used to maintain cold cryogenic temperatures. Low… …   Wikipedia

• Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …   Wikipedia

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• Cryogenics — For cryopreservation/resuscitation, see Cryonics. For the band, see Cryogenic (band). In physics, cryogenics is the study of the production of very low temperature (below −150 °C, −238 °F or 123 K) and the behavior of materials at those… …   Wikipedia

• Magnetic refrigeration — Gadolinium alloy heats up inside the magnetic field and loses thermal energy to the environment, so it exits the field cooler than when it entered. Magnetic refrigeration is a cooling technology based on the magnetocaloric effect. This technique… …   Wikipedia

• Superconducting magnetic energy storage — (SMES) systems store energy in the magnetic field created by the flow of direct current in a superconducting coil which has been cryogenically cooled to a temperature below its superconducting critical temperature. A typical SMES system includes… …   Wikipedia

• electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …   Universalium

• David Merlini — is a Hungarian escape artist. He was born in Budapest in 1978, October. This is his real name, after his Italian father. He is known for his unique performances written, designed, directed, and performed by himself. David Merlini currently lives… …   Wikipedia