underwater diving, an alternative air source, or more generally alternative breathing gas source, is a secondary supply of air or other breathing gas...

An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression...

This is a list of alternative media supporting the views of the American political left. It covers alternative media sources including talk radio programs...

only the seed as is common today. Sweet sorghum may be a promising alternative source of bioethanol, due to its tolerance of a wide range of climates. Cow...

Alternative fuels, also known as non-conventional and advanced fuels, are fuels derived from sources other than petroleum. Alternative fuels include gaseous...

emergency, such as depletion of the diver's main air supply, it can be used as an alternative air source or bailout bottle to allow a normal ascent in place...

The Special Air Service (SAS) is a special forces unit of the British Army. It was founded as a regiment in 1941 by David Stirling, and in 1950 it was...

An air embolism, also known as a gas embolism, is a blood vessel blockage caused by one or more bubbles of air or other gas in the circulatory system...

Mobile source air pollution includes any air pollution emitted by motor vehicles, airplanes, locomotives, and other engines and equipment that can be...

range from greenhouse gas emissions and air pollution to energy poverty and toxic waste. Renewable energy sources such as wind, hydro, solar, and geothermal...

including climate change and air pollution, high oil-prices and the potential for peak oil, development of cleaner alternative fuels and advanced power systems...

buildings. Air source heat pumps, which can be used for heating as well as cooling, are becoming increasingly common in cooler climates. Air conditioners...

used as a power source. The RAT generates power from the airstream by ram pressure due to the speed of the aircraft. It may be called an air driven generator...

The Special Air Service Regiment, officially abbreviated SASR though commonly known as the SAS, is a special forces unit of the Australian Army. Formed...

and limiting the rate of compression. If hydrogen is considered as an alternative, a possible explosion risk is balanced against less narcosis than nitrogen...

enough to allow a fairly high flow rate, as the air may be used as an alternative breathing air source, or to fill small lift bags. A pneumofathometer...

location in air was used before the introduction of radar. Sonar may also be used for robot navigation, and sodar (an upward-looking in-air sonar) is used...

Explosive decompression (ED) is violent and too fast for air to escape safely from the lungs and other air-filled cavities in the body such as the sinuses and...

outdoor and indoor air can be polluted. Natural sources of air pollution include wildfires, dust storms, and volcanic eruptions. Indoor air pollution is often...

vary from joint pain and rashes to paralysis and death. DCS often causes air bubbles to settle in major joints like knees or elbows, causing individuals...

diver's or climber's breathing by concentrating O2 from seawater or from thin air at altitude, and venting CO2". Undersea and Hyperbaric Medicine (Annual Meeting...

Alternative Nation is an American television show dedicated to alternative music. It aired on MTV from 1992 to 1997, mostly on weeknights. It is hosted...

briefing, safety drills, thermal protection, equipment redundancy, alternative air source, buddy checks, buddy or team diving procedures, dive planning, use...

target date of 2020. Alternative Fuel Vehicle Incentive Program (also known as Fueling Alternatives) is funded by the California Air Resources Board (CARB)...

operate as a base or a means of transport for a small number of divers. Air is trapped inside the bell by pressure of the water at the interface. These...

A diving air compressor is a breathing air compressor that can provide breathing air directly to a surface-supplied diver, or fill diving cylinders with...

space being used as a heat source. It can again take up energy from the heat source, be compressed and repeat the cycle. Air source heat pumps are the most...

gas from each other in an emergency, and may carry an independent alternative air source if they do not choose to rely on a buddy. Divers may need to make...

trends, dispersion of air pollutant plumes, air quality, atmospheric deposition, and related variables.[self-published source] The Atlantic Oceanographic...

Source Code is a 2011 science fiction action thriller film directed by Duncan Jones and written by Ben Ripley. It stars Jake Gyllenhaal as a US Army officer...