low-frequency

Guinness says the loudest animal sounds are the low-frequency pulses made by blue whales and fin whales when they communicate with each other — sounds that reach 188 decibels.

Smokey the cat makes Guinness Records for loudest purr 2011

ATLANTA—Advanced radar, a new satellite, lightning-tracking antennas and low-frequency microphones are among the technologies scientists are developing to warn people earlier about approaching tornadoes.

Technology Offers Hope for Detecting Tornadoes Sooner Cameron McWhirter 2011

Tomorrow afternoon, my friend and I are presenting on our work with PAPER, the low-frequency array (prototype, so far) to detect hydrogen from the early universe.

New Year Round-up! Nicole 2009

Guinness says the loudest animal sounds are the low-frequency pulses made by blue whales and fin whales when they communicate with each other — sounds that reach 188 decibels.

Smokey the cat makes Guinness Records for loudest purr 2011

CRIRES works in the infrared band of the spectrum, but other spectrometers read radiation sources ranging from low-frequency radio and microwaves to visible “white” light and to higher-frequency ultraviolet and X-ray.

First Contact Marc Kaufman 2011

Tomorrow afternoon, my friend and I are presenting on our work with PAPER, the low-frequency array (prototype, so far) to detect hydrogen from the early universe.

Archive 2009-01-04 Nicole 2009

Louis Slesin, editor of Microwave News, said the study will lead to more questions about the effects low-frequency radiation can have on body tissue.

Cellphone study shows one-hour exposure changes brain activity 2011

They reported that during piercing, the yogi showed increases in low-frequency EEG activity, primarily sub-delta, delta, and theta, a pattern of brain waves suggesting that the yogi had somehow turned off his brain to external as well as internal stimuli.

The Sacred Promise Phd Gary E. Schwartz 2011

Some people have low-frequency tinnitus, when they think they can hear humming from fridges or road noises – check if other people can hear the same noises; if they can it isn't tinnitus.

Dr Luisa Dillner's guide to . . . Tinnitus 2011

And active-noise reduction headphones like the Bose series generally work for low-frequency sounds, "not the noise in the most dangerous frequency range," Mr. Berger said.

Sounds Like Teen Spirit Michael Hsu 2011