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2. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than ...

3. Doing quick, easy exercises at night — even while ... - AOL

   www.aol.com/lifestyle/doing-quick-easy-exercises...

   When it comes to getting a good night’s sleep, the standard advice is to wind down and shut off screens an hour before your bedtime. And while sleep experts still recommend this, new research ...

4. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

   www.aol.com/entertainment/20-off-raycon-earbuds...

   These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

5. Video camera - Wikipedia

   en.wikipedia.org/wiki/Video_camera

   A Flip video camera, formerly manufactured by Cisco. A video camera is an optical instrument that captures videos, as opposed to a movie camera, which records images on film. Video cameras were initially developed for the television industry but have since become widely used for a variety of other purposes. Video cameras are used primarily in ...

6. Video camera tube - Wikipedia

   en.wikipedia.org/wiki/Video_camera_tube

   Video camera tubes are devices based on the cathode-ray tube that were used in television cameras to capture television images, prior to the introduction of charge-coupled device (CCD) image sensors in the 1980s. Several different types of tubes were in use from the early 1930s, and as late as the 1990s. In these tubes, an electron beam is ...

7. After Marcellus Williams is executed in Missouri, a nation reacts

   www.aol.com/marcellus-williams-executed-missouri...

   Missouri Congresswoman Cori Bush said that "The state of Missouri and our nation's legal system failed Marcellus Williams, and as long as we uphold the death penalty, we continue to perpetuate ...