Not exact matches
• Blackmore Sensors and Analytics Inc, a Bozeman, Montana - based developer of
frequency - modulated continuous
wave lidar
for the automotive industry, raised $ 18 million in Series B funding.
According to fatigue specialist Clinton Marquardt, it takes at least 30 minutes
for your brain to move from slow -
frequency (recuperation, rest) to faster -
frequency (alert) brain -
wave states.
«If a person sees life with more acceptance of the
waves of desire and sexual
frequency flowing like
waves on the ocean, the better resilience and empathy one has throughout their life
for their own body and that of their partner or partners.»
Financial News reports that Vigilant Global, a telecoms company owned by high -
frequency trading firm DRW Trading, has submitted plans to build a 320 - metre tall tower to allow what it calls «a new communications point between the UK and Europe» which will have a «completely unobstructed» line of sight both optically, and
for radio
waves.
In either order, if the «
wave» of our being is anarchic, incompatible in its own self with the pulse and
frequency, so to speak, of God's Unity - Law - his providence
for good - then that impact is part of the principle and problem of evil, an influence
for disintegration.
It eliminates the need
for a harmful chemical detergent because of its powerful 42,000 Hz ultrasonic
frequency waves which provide an effective cleaning solution.
Putting food on the table is an obvious highlight point of the day
for someone like myself and no doubt someone like you as well if you find yourself here with
frequency (
waves hi).
According to scientists speaking to Forbes in 2015, there's no plausible way
for radio
frequency (RF)
waves to cause cancer «without re-writing the laws of physics and biology.»
Dogs can hear the
waves, which have too high a
frequency for our ears to notice.
Understanding this instability is key to some experimental nuclear fusion reactions but it has never been observed
for high -
frequency radio
waves.
Researchers designed LIGO to spot
waves in the sweet spot
for converging black holes and neutron stars, with a
frequency ranging from tens of hertz to several thousand.
While the rendezvous was millions of years in the making, only the final two - tenths of a second produced gravity
waves with the requisite intensity and
frequency for detection by Advanced LIGO.
BICEP2 and similar telescopes hunt
for gravity
waves with a much lower
frequency, signaling reverberations from a split - second span just after the Big Bang called inflation, when space itself stretched rapidly.
The eLISA mission, a space observatory consisting of three miniature satellites, will hunt
for waves with
frequencies under 1 hertz when it launches in the 2030s.
A larger number of
frequencies means more possibilities
for wave shaping, just like a composer finds more ways of expression composing not just
for a flute, but
for a full orchestra.
One method
for measuring such stiffness depends on a combination of low -
frequency sound
waves and MRI.
They'll help researchers hunt
for gravitational
wave signals below 100 Hz, the
frequency where traces of black hole mergers can be found.
The researchers used the state - of - the - art nanofabrication technology to make arrays of electrodes with a width of only 100 nanometers (0.00001 centimeters) to excite sound
waves at an unprecedented high
frequency that is higher than 10 GHz, the
frequency used
for satellite communications.
Instruments that pick up other
frequencies of the electromagnetic spectrum — radio
waves or X rays,
for instance — also can not detect the shadow universe.
This time, researchers looked
for a change in the
frequency of
waves — with shorter wavelengths meaning a higher
frequency, and vice versa — in a type of laser in atomic clocks.
It's also still unknown whether any other bursts have twisted
waves at high
frequencies — the smoking gun
for strong magnetic fields.
High -
frequency waves tend to cause the most problems
for short buildings, whereas low -
frequency waves are more damaging
for taller buildings.
Instead of a detailed waveform required with tonometry, their method needs just the shape of a patient's pulse
wave for the mathematical model, called intrinsic
frequency, to calculate key variables related to the phases of the patient's heartbeat.
The four previous events lasted
for, at most, a few seconds, with gravitational
waves rippling at
frequencies of tens of cycles per second.
This means that the kinds of event where LIGO can now spot gravitational
waves will produce a memory signal at a
frequency too low
for the observatory to pick up.
For example, space - based frequency combs could improve the accuracy of global remote sensing of greenhouse gases from satellites and could be used for space - based gravitational wave detecto
For example, space - based
frequency combs could improve the accuracy of global remote sensing of greenhouse gases from satellites and could be used
for space - based gravitational wave detecto
for space - based gravitational
wave detectors.
Frustratingly
for the Virgo team, the steel wires are expected to have the most impact on sensitivity to gravitational
waves with lower
frequencies than neutron star mergers, such as those from the mergers of black holes.
But if there are astrophysical events that produce gravitational
waves at
frequencies too high
for LIGO to spot, their memory signals might fall easily into the observatory's detection range, thus allowing us to pick them up.
The ability
for neurons to tune into different
frequencies of gamma
waves provides a way
for the brain to traffic different types of information across the same neuronal circuits.
Infrasound stations listen
for low -
frequency sound
waves rumbling through the atmosphere.
«If we do more measurements of this type at multiple
frequencies, we will be able to separate out the dust signal from the [primordial] signal precisely» and do a more thorough search
for gravitational
waves.
The resulting saser can build up an intense, pure sound
wave at a specific
frequency in the terahertz range (far, far above the limit of human hearing)
for a few billionths of a second.
While this specific
frequency range sits between infrared
waves and microwaves, the approach should be applicable
for almost any
frequency of the electromagnetic spectrum.
Thus it addresses a spectrum not covered by experiments such as the Laser Interferometer Gravitational - Wave Observatory, which searches
for lower -
frequency waves to detect massive cosmic events such as colliding black holes and merging neutron stars.
That network will enable real - time testing of new communication protocols as well as critical measurements
for the challenging problem of steering multiple signal beams at millimeter -
wave frequencies.
So
for years, physicists have chased an elusive dream: replacing the physical kilogram with a standard inherent in properties of nature such as the speed of light, the wavelength of photons and the Planck constant (also called h - bar), which links the energy a
wave carries with its
frequency of oscillation.
For example, three years ago London - based Metabometrix demonstrated that high -
frequency radio
waves bounced off a blood sample could identify atherosclerosis.
«If we succeed in building the world's first terahertz imager operating in these
frequencies, it would represent a true breakthrough
for submillimetre -
wave remote sensing from space.
Their analysis reveals that linear, stochastic scattering by intense, natural very low -
frequency radio
waves — known as chorus
waves — in Earth's upper atmosphere can account
for the observed relativistic electron build - up.
The challenge has centered on the impossibility of manipulating light with the techniques that work so well
for electromagnetic
waves of much lower
frequencies, such as microwaves.
Garces has also analyzed the low -
frequency sound
waves accompanying the seafloor earthquake that caused the 2004 Indonesian tsunami
for premonitory clues.
But the boost does not work
for a task that involves remembering a sequence of finger taps, nor does boosting other
frequencies of brain
waves improve memory, according to the paper presenting the results published online November 5 in Nature.
«Our proposed devices can retain the terahertz
frequency like other terahertz sources but with a much shorter wavelength
for an improved spatial resolution in imaging application as well as a very wide
frequency tuning range from a microwave to a terahertz
wave,» said Iurov.
The Northwestern University team used inverse design principles and a basic 3D printer purchased from Amazon — technologies not commonly used in their field — to create highly efficient, non-resonant, broadband metadevices at millimeter -
wave frequencies that could prove revolutionary
for consumer products, defense, and telecommunications, including next - generation 5G wireless networks.
For about 40 seconds after the earthquake, seismic
waves from the quake were trapped within the basin and continued to reverberate, ringing like a bell with a
frequency of five seconds.
«It's easier to form these
waves in the brain with low
frequency impacts — impacts that are sustained
for longer periods.
For instance, the current minimum
frequency used in the team's simulation is about 0.05 hertz (1
wave per 20 seconds), but Bozdag said the team would also like to incorporate seismic
waves of up to 1 hertz (1
wave per second).
«At microwaves and other low -
frequency waves, absorbent materials can lower the scattering of electromagnetic
waves for aircraft and other military targets, so as to achieve antiradar stealth,» it reads.
For each delta, the team used a global
wave model developed by the National Oceanic and Atmospheric Administration to determine the height,
frequency, and direction of each incoming
wave.
«Alongside
frequency doubling, our structures may be designed
for sum - or difference -
frequency generation, as well as a variety of four -
wave mixing processes,» said UT Austin graduate student Jongwon Lee, the lead author on the paper.