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2. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Two people wearing behind-the-neck earmuffs. Thermal earmuffs are worn for protection from the cold. Because the ears extend from the sides of the head to gather sound waves, they have a high skin surface-area-to-volume ratio, and very little muscle tissue, causing them to be one of the first body parts to become uncomfortably cold as temperatures drop.

3. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   Various earmuff hearing protectors. Sound levels of some daily activities. A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear.

4. Auditory Hazard Assessment Algorithm for Humans - Wikipedia

   en.wikipedia.org/wiki/Auditory_Hazard_Assessment...

   The 3m and 1m exposures used the modified earmuff and the charges were detonated at the base of a tube pointed vertically. The left ears of the subjects were positioned 1m or 3m from the lip of the tube and 1 inch (2.54 cm) or 3 inches (7.62 cm) above the top edge of the tube.

5. 3M Scientist Receives Lifetime Achievement Award for Hearing ...

   www.aol.com/news/2013-02-04-3m-scientist...

   PAUL, Minn.--(BUSINESS WIRE)-- Elliott Berger, M.S., Division Scientist for 3M's Personal Safety Division, will be presented with the National Hearing 3M Scientist Receives Lifetime Achievement ...

6. The 13 Best Earmuffs to Up Your Winter Accessory Game - AOL

   www.aol.com/lifestyle/13-best-earmuffs-winter...

   Esme Ear Muffs. apparis.com. $100.00. Earmuffs. For a simple and straightforward pair, Gorski makes solid black earmuffs that go with just about everything. From the gym to dinner, these will be ...

7. Ear protection - Wikipedia

   en.wikipedia.org/wiki/Ear_protection

   Ear protection may pertain to protecting the ear from cold, intrusion by water or debris, or noise. It may refer to: Hearing protection device; Earplug; Earmuffs