Sentences with phrase «on electromagnetic radiation»

Shielding makes it possible to insulate electrical conductors so they can be handled safely, even if they carry 220 lethal volts, and for the same reason, radios, which feed on electromagnetic radiation, fade in highway tunnels.

Not exact matches

In the hopes of seeing the gas clouds from which the first stars arose, Loeb has devoted much of the past decade to a new field called 21 - centimeter cosmology, a branch of radio astronomy that focuses on identifying electromagnetic radiation that started out with a wavelength of 21 centimeters.
The new field of 21 - centimeter cosmology is a branch of radio astronomy that focuses on identifying electromagnetic radiation that started out with a wavelength of 21 centimeters.
Sasanelli stayed there for 11 years, working at first on designing application - specific integrated circuits (ASICs) that were resistant to interference from electromagnetic radiation.
The researchers combined these «universal relations» with data on gravitational - wave signals and the subsequent electromagnetic radiation (kilonova) obtained during the observation last year of two merging neutron stars in the framework of the LIGO experiment.
«The evidence that these new gravitational waves are from merging neutron stars has been captured, for the first time, by observatories on Earth and in orbit that detect electromagnetic radiation, including visible light and other wavelengths,» said Chad Hanna, assistant professor of physics and of astronomy & astrophysics and Freed Early Career Professor at Penn State.
And in May, a week after Massachusetts Sen. Edward Kennedy was diagnosed with a glioma, The EMR Policy Institute, a Marshfield, Vt. — based nonprofit organization that supports research on the effects of electromagnetic radiation, released a statement linking his tumor to heavy cell phone use.
For cloaking to work, the metal shapes stamped on the metamaterial must be smaller than the wavelength of the electromagnetic radiation that is aimed at them.
The movement is created, Flatté and his team say, when electrons whose magnetic spin is disturbed by the current on the first sheet exert a force, through electromagnetic radiation, to create magnetic spin in the second sheet.
Sky surveys and mappings of the various wavelength bands of electromagnetic radiation (in particular 21 - cm emission) have yielded much information on the content and character of the universe's structure.
That's one reason why the Indian health ministry has initiated a 5 - year study to gather more scientific evidence on the potential effects of electromagnetic radiation.
You can shine light on the atom, or expose it to another form of electromagnetic radiation having an even shorter wavelength.
His theoretical research focuses on novel optical effects such as so - called transformation optics — bending light in curious ways with metamaterials, or assemblages of rods and rings smaller than a wavelength of electromagnetic radiation.
These use terahertz rays, which lie between microwaves and infrared radiation on the electromagnetic spectrum.
When two neutron stars collided on Aug. 17, a widespread search for electromagnetic radiation from the event led to observations of light from the afterglow of the explosion, finally connecting a gravitational - wave - producing event with conventional astronomy using light, according to an international team of astronomers.
Previously, all astronomy observations have relied on light — which includes X-rays, radio waves, and other types of electromagnetic radiation emanating from objects in space — or on very - high - energy particles called neutrinos and cosmic rays.
The selected doctoral candidate will use a state - of - the - art fully - kinetic and massively parallel particle - in - cell code, running on European network High - Performance Supercomputers, to simulate the electromagnetic radiation caused by magnetic reconnection.
Asleep on these antennas, our bodies are exposed to the amplified electromagnetic radiation for a third of our life spans.
As we slumber on a metal coil - spring mattress, a wave of electromagnetic radiation envelops our bodies so that the maximum strength of the field develops 75 centimeters above the mattress in the middle of our bodies.
She educates about the health effects of wireless radiation, the impending cancer tsunami and PEMF (pulsed electromagnetic fields) that restore human health on the cellular level.
(P6.2 lesson) 4.6.2.1 - Types of electromagnetic waves (P6.6 lesson) 4.6.2.2 - Properties of electromagnetic waves 1 (P6.7 a lesson) 4.6.2.3 - Properties of electromagnetic waves 2 (P6.7 a lesson) Required practical (P6.7 b lesson)- investigate how the amount of infrared radiation absorbed or radiated by a surface depends on the nature of that surface.
An exotic device, on display along with the prints, is said to measure electromagnetic radiation.
Three other works make historical time visible: two cast bronze and aluminum sculptures inspired by the nameplates of Britain's intercity trains, and the sculpture Johns Radiometer, which is modeled on a nineteenth - century device for measuring electromagnetic radiation.
Ameer Rosic, a health consultant and self - described biohacker, believes that there is enough evidence that electromagnetic (EM) radiation from our phones and our gadgets (which are constantly on and constantly on our person, in close proximity to our reproductive organs) negatively affects our fertility that we really ought to be protecting ourselves better.
Now on the matter of equilibrium, do you think objects stop emitting electromagnetic radiation, or not?
As I explained earlier here, AGWSF has eliminated all differences of property and process between the wavelengths to deliberately create this confusion between light and heat, in the meme: «all electromagnetic radiation is the same and all create heat on being absorbed».
Contrary to the AGWScienceFiction meme «all electromagnetic radiation is the same and all create heat on being absorbed».
The AGWSF meme for the plebs is that «all electromagnetic radiation is the same» and «all create heat on being absorbed», and it also provides «rebuttal memes» for their apologetics teams, «haven't you heard of conservation of energy?»
Radars measure the backscattering of electromagnetic microwave radiation with wavelengths on the order of 3 to 10 cm (1 to 4 inches).
(Scienceofdoom is an excellent site for lay people to get an understanding of CO2's heat absorption properties, or more accurately electromagnetic radiation absorption) I've summarized things on my blog under a post called «The path length approximation».
«Heat», on the other hand is the mechanical energy of motion or vibration etc of atoms or molecules, and Electromagnetic radiation does not need any molecular material to propagate.
The life on Earth needs four elements, which are: «the green photons (i.e. photons from the visible part of the electromagnetic radiation)», H2O, CO2 and the heat amount keeping temperature of the system within the temperature range where the photosynthesis can take place.
... consisted of two platinum strips covered with lampblack... Electromagnetic radiation falling on the exposed strip would heat it and change its resistance.
There is no direct evidence on whether there is an association between electromagnetic radiation produced by wind farms and health outcomes.
This paper examines what is currently known about the impact of non-ionizing electromagnetic radiation, reviews the implications it can have for Ontario schools, including OECTA members, and makes recommendations to the Ontario English Catholic Teachers» Association on the issue.
While humankind is theoretically capable of blasting a laser beam into space that is 10,000 times stronger than the sun, Diamond continued, «there isn't an instrument on Earth that can detect an Earth - like planet with Earth - like leakage of electromagnetic radiation
Power transmission lines also reopen the debate about the uncertain health effects of electromagnetic field radiation and the perceived impact of EMF radiation on nearby property values, Boring says.
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