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2. Radar beacon - Wikipedia

   en.wikipedia.org/wiki/Radar_beacon

   Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

3. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...

4. PlayStation 3 accessories - Wikipedia

   en.wikipedia.org/wiki/PlayStation_3_accessories

   Various accessories for the PlayStation 3 video game console have been produced by Sony and third-party companies. These include controllers, audio and video input devices like microphones, video cameras, and cables for better sound and picture quality. The controllers include the DualShock 3, a keypad that connects to the aforementioned ...

5. The Supreme Court's 2nd Amendment Mistake - AOL

   www.aol.com/news/supreme-courts-2nd-amendment...

   As the Supreme Court explained in an 1847 decision, the police power “is not susceptible of an exact limitation.”. As “new and vicious indulgences” emerged, they required “restraints ...

6. DEFCON - Wikipedia

   en.wikipedia.org/wiki/DEFCON

   DEFCON. The defense readiness condition ( DEFCON) is an alert state used by the United States Armed Forces. [ 1][ 2] For security reasons, the US military does not announce a DEFCON level to the public. [ 1] The DEFCON system was developed by the Joint Chiefs of Staff (JCS) and unified and specified combatant commands. [ 3]

7. We finally know what caused the global tech outage - and how ...

   www.aol.com/finance/finally-know-caused-global...

   Insurers have begun calculating the financial damage caused by last week’s devastating CrowdStrike software glitch that crashed computers, canceled flights and disrupted hospitals all around the ...