Active camouflage ( or adaptive camouflage ) is a group of camouflage technologies which would allow an object ( usually military in nature ) to blend into its surroundings by use of panels or coatings capable of changing color or luminosity.

Active camouflage can be seen as having the potential to become the perfection of the art of camouflaging things from visual detection.

Zebrafish chromatophores mediate Active camouflage | background adaptation on exposure to dark ( top ) and light environments ( bottom ).

# REDIRECT Active camouflage

Active camouflage or adaptive camouflage is camouflage that adapts, often rapidly, to the surroundings of an object such as an animal or military vehicle.

Active camouflage is used in several groups of animals, including reptiles on land, and cephalopod molluscs and flatfish in the sea.

Active camouflage provides concealment in two ways:

Active camouflage has its origins in the diffused lighting camouflage first tested on Canadian Navy corvettes including HMCS Rimouski during World War II, and later in the armed forces of the United States of America in the Yehudi lights project, and of the United Kingdom.

Active camouflage technology exists only in theory and proof-of-concept prototypes.

Active camouflage is present in several groups of animals including cephalopod molluscs, fish, and reptiles.

Active camouflage is also used by many bottom-living flatfish such as plaice, sole, and flounder that actively copy the patterns and colors of the seafloor below them.

# REDIRECT Active camouflage

# redirect Active camouflage

# REDIRECT Active camouflage

# redirect Active camouflage

# REDIRECT Active camouflage

# REDIRECT Active camouflage

# REDIRECT Active camouflage

# redirect Active camouflage

Active formations such as flowstone can be similarly marred with a muddy footprint or handprint, and ancient human artifacts, such as fiber products, may even crumble to dust under all but the most gentle touch.

FNC is usually broadcast as a VideoGuard-encrypted channel ; during major news stories it may be simulcast on Sky Active, which is free-to-air.

FNC is usually broadcast as a VideoGuard-encrypted channel ; during major news stories it may be simulcast on Sky Active, which is free-to-air.

Active monitoring and deliberate protection may mitigate further rapid destruction making in situ preservation an option, but long term survival can never be guaranteed.

Active projects commonly see less than 0. 5 % of downloaders convert to paying customers, and as many as half of the users may be using pirated versions of the software.

** Repeated failures may result in a router cycling between the Idle and Active states.

It also may have influenced other spoof-based British radio programmes such as Radio Active, On the Hour, The Sunday Format, and The News Huddlines.

Active amputees, such as bikers and rollerbladers may find the C-Leg suited to their needs.

Active father figures may play a role in reducing behavior and psychological problems in young men and women.

Active spiritual or aesthetic inquiry may be elicited from the viewer in the same way as a religious icon having specific symbolism.

Active activities may be more or less intensive ranging from walking, through jogging and cycling to sports such as tennis or football.

Again, this information may be stored locally on the RADIUS server, or may be looked up in an external source such as LDAP or Active Directory.

In Windows Server 2008 the CA may be installed as part of Active Directory Certificate Services.

If the packet traverses an Active Queue Management ( AQM ) queue ( e. g. a queue that uses Random Early Detection ( RED )) that is experiencing congestion and the corresponding router supports ECN, it may change the codepoint to instead of dropping the packet.

Active DI units require a power source, which is normally provided by batteries or a standard AC outlet connection, and may contain the option for phantom power use.

Active rewarming requires more equipment and therefore may be difficult to perform in the prehospital environment.

Active children may thrive in the educational activities provided by a quality commercial care center, but according to the National Center for Early Development and Learning, children from low quality centers may be significantly less advanced in terms of vocabulary and reading skills.

At the end of their turn, a player may use one of their Active Pokémon's attacks, provided the prerequisite amount and types of energy are attached to that Pokémon.

Active mixers improve isolation between the ports, but may have higher noise and more power consumption ; an active mixer can be less tolerant of overload.

A leave of absence may be obtained for a variety of employee-requested reasons, including Active duty call-up for reserve military personnel, or to attend to the health needs of the employee or of a family member of the employee.

In Man and His Symbols, von Franz described active imagination as follows: " Active imagination is a certain way of meditating imaginatively, by which one may deliberately enter into contact with the unconscious and make a conscious connection with psychic phenomena.

For Active Guard and Reserve personnel, the Good Conduct Medal qualification period may commence at a time during the three years immediately preceding the 1 September 1982 effective date, provided no portion of service for the Good Conduct Medal is included in a period of service for which the Army Reserve Components Achievement Medal was awarded.

Active may refer to: