Recent Examples of hertz from the Web
Frequency is measured in hertz (Hz), or the number of sound waves per second.
But some scientists looked at what could happen without the time correction rule and concluded clocks could gradually go off-kilter if the grid's power was delivered consistently at higher or lower rates than 60 hertz.
The title of hacker magazine 2600 is a tip of the hat to 2600 hertz, the frequency old-school hackers reproduced to trick AT&T phone lines into giving them free calls.
Here’s the spectrogram for the yanny/laurel recording: Higher frequencies (up to 5,000 hertz, or waves per second) appear toward the top, and lower ones (down to zero) toward the bottom.
Someone with a grating voice is likely to have strong overtones in the range that humans are particularly sensitive to, around 3,000 hertz.
In technical terms, power systems in Europe, and much of Asia and Africa, run on alternating current at 50 hertz, meaning that the flow of electricity changes directions 50 times per second.
Monica Gagliano at the University of Western Australia has gathered evidence that some plants may also emit and detect sounds, and in particular, a crackling noise in the roots at a frequency of 220 hertz, inaudible to humans.
Hamilton took one for a spin down the ice, and the data was instantaneous — line graphs along with a slew of numbers that showed his force in pounds and his stroke rate in hertz.
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Definition of Hertz
HERTZ Defined for English Language Learners
Definition of hertz for English Language Learners
: a unit used for measuring the frequency of sound waves
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