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.

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 may now develop using organic light-emitting diodes ( OLEDs ) and other technologies which allow for images to be projected onto irregularly-shaped surfaces.

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 alumnae have built a fine building on the campus where members can come and stay for a few days or longer and where they can have their social gatherings and professional meetings.

An object is uniquely identified by its name and has a set of attributes — the characteristics and information that the object represents — defined by a schema, which also determines the kinds of objects that can be stored in Active Directory.

However, because each schema object is integral to the definition of Active Directory objects, deactivating or changing these objects can fundamentally change or disrupt a deployment.

The Active Directory framework that holds the objects can be viewed at a number of levels.

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.

Active participation is critical to the motor learning and recovery process, therefore it ’ s important to keep these individuals motivated so they can make continual improvements.

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

It can also be part of an Active Directory domain.

Active medical intervention in varicose veins can be divided into surgical and non-surgical treatments.

: The Governor can activate National Guard personnel to “ State Active Duty ” in response to natural or man-made disasters or Homeland Defense missions.

Active equipment ( such as a POTS or DSL line circuit ) can then be connected to the line in order to provide service, but this is not considered part of outside plant.

Active power factor correctors can be single-stage or multi-stage.

Active public involvement can help planners achieve better outcomes by making them aware of the public ’ s needs and preferences and by using local knowledge to inform projects.

Every destination in the topology table can be marked either as " Passive ", which is the state when the routing has stabilized and the router knows the route to the destination, or " Active " when the topology has changed and the router is in the process of ( actively ) updating its route to that destination.

A destination in the topology table can be marked either as Passive or Active.

Active communities can be found throughout the world-in the rest of Britain, continental Europe, Canada and the US as well as Australia, New Zealand and Japan, with occasional groups in places as diverse as Russia, South Africa, Argentina and Hong Kong.

Active bribery can be defined for instance as the promising, offering or giving by any person, directly or indirectly, of any undue advantage any public official, for himself or herself or for anyone else, for him or her to act or refrain from acting in the exercise of his or her functions.

Active fibroblasts can be recognized by their abundant rough endoplasmic reticulum.

The downside to Active Solar systems is that the external power sources can fail ( probably rendering them useless ), and the controls need maintenance.

In Microsoft Windows networks, dynamic DNS is an integral part of Active Directory, because domain controllers register their network service types in DNS so that other computers in the Domain ( or Forest ) can access them.

Active ear muffs are available with electronic noise cancellation that can reduce direct path ear canal noise by approximately 17 – 33 dB, depending on the low, medium, or high frequency at which attenuation is measured.

Active crossovers can be implemented digitally using a DSP chip or other microprocessor.

Organizations can also integrate their Microsoft Office Communications Server and Active Directory with the service.