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Ahead, eight versions of sleep headphones that are doing it best, depending on your sleep and ear needs. Download a 12-hour long brown noise playlist and call it a night. Sleep Headphones
Like most earplugs, Loops are designed to prevent noise-induced hearing loss and tinnitus, specifically when it comes to loud noise exposure during concerts and nightlife. Each earplug is about ...
The antennas contained in mobile phones, including smartphones, emit radiofrequency (RF) radiation ( non-ionizing "radio waves" such as microwaves ); the parts of the head or body nearest to the antenna can absorb this energy and convert it to heat. Since at least the 1990s, scientists have researched whether the now-ubiquitous radiation ...
A microphone captures the targeted ambient sounds, and a small amplifier generates sound waves that are exactly out of phase with the undesired sounds. When the sound pressure of the noise wave is high, the cancelling wave is low (and vice versa). The opposite sound waves collide and are eliminated or "cancelled" (destructive interference ...
Lisa Strauss, a psychologist specializing in cognitive behavioral treatment of sleep disorders, has suggested designating different sides or ends of the bed for reading and sleeping. Freshen the ...
Sound localization. Sound localization is a listener's ability to identify the location or origin of a detected sound in direction and distance. The sound localization mechanisms of the mammalian auditory system have been extensively studied. The auditory system uses several cues for sound source localization, including time difference and ...