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The caterpillar of the eyed hawk-moth Smerinthus ocellatus is camouflaged to match a leafy background in both visible and infra-red light.. The English zoologist Hugh Cott, in his 1940 book Adaptive Coloration in Animals, wrote that some caterpillars such as the eyed hawk-moth Smerinthus ocellatus, and tree frogs such as the red-snouted treefrog Hyla coerulea, are coloured so as to blend with ...
A speaker giving a presentation with an RF pointer in his left hand. Using a wireless clicker, helps the presenter to move freely, instead of being obliged to stay next to the computer, can get closer and keep in touch with the audience, watching the presentation together with them, being able to use the built-in laser pointer, in order to emphasize specific points in the dialogue with the ...
PTDS is compatible with other technology developed by the Army Research Laboratory, such as Serenity Payload and FireFly. [22] Although the main equipment used was the L-3 Communications MX-20 analog and later, digital cameras. The same platform utilized a high power laser that could be used for spotting and exposing insurgent locations in the ...
In Kenya, for example, the solution to prevent an elephant bull from wandering into farms and destroying crops was to tag the elephant with a device that sends a text message when it crosses a geo-fence. Using the technology of SMS and GPS, the elephant can roam freely and the authorities are alerted whenever it is near the farm. [8]
Information and communications technology (ICT) is an extensional term for information technology (IT) that stresses the role of unified communications [1] and the integration of telecommunications (telephone lines and wireless signals) and computers, as well as necessary enterprise software, middleware, storage and audiovisual, that enable users to access, store, transmit, understand and ...
Mobile security, or mobile device security, is the protection of smartphones, tablets, and laptops from threats associated with wireless computing. [1] It has become increasingly important in mobile computing. The security of personal and business information now stored on smartphones is of particular concern. [2]
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Electronic counter-countermeasures (ECCM) is a part of electronic warfare which includes a variety of practices which attempt to reduce or eliminate the effect of electronic countermeasures (ECM) on electronic sensors aboard vehicles, ships and aircraft and weapons such as missiles.