CR Magnetics
Manufacture of Current, Voltage, Power & Frequency monitoring products for Alternating & Direct Current including Current Transformers, Transducers, relays, indicators, hall devices.
http://www.crmagnetics.com/

Electrodynamic Explanation of Ball Lightning
Ball lightning is considered as self-closed alternating displacement current, which produces air luminescence (electroluminescence).
http://www.comail.ru/~science/fireball/fe.htm

Cronartiaceae
Forestry Images: Forest Health, Natural Resources and Silviculture Photos with pictures of insects, diseases, trees, plants, weeds, ecosystems, fire, ecology, other pests and wildlife.
http://www.forestryimages.org/browse/family.cfm?id=150

Alternating Sign Matrices
A conference in honour of David P. Robbins. IDA Center for Communications Research, Princeton, NJ, USA; 29--30 June 2003.
http://www.haverford.edu/math/lbutler/RobbinsConf.html

Cleareview Healthcare Products
Manufacturer of anti-bedsore alternating pressure pumps and pads, wheelchair cushion, gel mattresses, and gel cushions.
http://www.bedsorefree.com

Gymnosporangium juniperi-virginianae
An illustrated article by Tom Volk on this rust fungus which is parasitic on the eastern red cedar and the apple tree, alternating between these two hosts.
http://botit.botany.wisc.edu/toms_fungi/may99.html

Aquila
Aquila corporation is a manufacturer of a full line of seat cushion systems for the mobility impaired community. Designed for pressure sore prevention and healing, our wheelchair cushion systems provide the pressure relief needed by those who sit in wheelchairs for long periods of time. For paralyzed veterans and other mobility impaired veterans, Aquila Corporation products are on GSA-FSS Government VA Contract #797P-3951K. Aquila Corporation | Aquila Corp | Pressure sore prevention | disabled veterans | paralyzed veterans | mobility impaired veterans | VA medical facilities
http://www.aquilacorp.com

Currie Medical Specialties, Inc.
Highest quality procedural trays and kits, quality orthopedic and neoprene products, Alternating Leg Pressure System, Microbiological Lab.
http://www.curriemedical.com/

Macromatic Controls, LLC
Manufacturer of time delay, alternating, phase monitor and voltage monitor relays, custom designed units and industrial control products.
http://www.macromatic.com/

Gordon Group
Welcome to the website of the Roy Gordon research group at the Harvard University Department of Chemistry and Chemical Biology. We specialize in the deposition of thin films using alternating layer deposition and chemical vapor deposition.
http://www.chem.harvard.edu/groups/gordon/index.html