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2. Little Box Challenge - Wikipedia

   en.wikipedia.org/wiki/Little_Box_Challenge

   The Little Box Challenge was an engineering competition run by Google and the IEEE's Power Electronics Society. [1] [2] The original challenge was posted on July 22, 2014, with modifications on December 16, 2014, and March 23, 2015. [3] Testing was in October 2015 at the National Renewable Energy Laboratory.

3. Passive radiator (speaker) - Wikipedia

   en.wikipedia.org/wiki/Passive_radiator_(speaker)

   The middle speaker is a real loudspeaker. The top and bottom cones are passive radiators. In the same way as a ported loudspeaker, a passive radiator system uses the sound pressure otherwise trapped in the enclosure to excite a resonance that makes it easier for the speaker system to create the deepest pitches (e.g., basslines). The passive ...

4. COBRA (British TV series) - Wikipedia

   en.wikipedia.org/wiki/COBRA_(British_TV_series)

   COBRA is a British political thriller television series that premiered on 17 January 2020 on Sky One. [1] The six-episode first series is written by Ben Richards and stars Robert Carlyle and Victoria Hamilton. The series premiered on PBS in the United States on 4 October 2020.

5. Powered speakers - Wikipedia

   en.wikipedia.org/wiki/Powered_speakers

   An active full-range loudspeaker. Powered speakers, also known as self-powered speakers and active speakers, are loudspeakers that have built-in amplifiers.Powered speakers are used in a range of settings, including in sound reinforcement systems (used at live music concerts), both for the main speakers facing the audience and the monitor speakers facing the performers; by DJs performing at ...

6. Cobra Kai: The Karate Kid Saga Continues - Wikipedia

   en.wikipedia.org/wiki/Cobra_Kai:_The_Karate_Kid...

   Cobra Kai heads to the Valley Fest, concluding Daniel was the mastermind and promptly defeat him. Hawk closes the story by telling the principal that there was an anonymous tip that said that Daniel was the one behind it all because he couldn't get over his traumas from high school, but Cobra Kai put an end to him and Miyagi-Do.

7. Solar inverter - Wikipedia

   en.wikipedia.org/wiki/Solar_inverter

   Internal view of a solar inverter. Note the many large capacitors (blue cylinders), used to buffer the double line frequency ripple arising due to single-phase ac system.. A solar inverter or photovoltaic (PV) inverter is a type of power inverter which converts the variable direct current (DC) output of a photovoltaic solar panel into a utility frequency alternating current (AC) that can be ...