Ancient text gives clue to mysterious radiation spikean eerie red crucifix seen in Britain's evening sky in ad 774 may be unrecognized a previously supernova explosion
The spike probably came from a burst of high-energy radiation striking the upper atmosphere, increasing the rate at
which carbon-14 is formed (see'Mysterious radiation burst recorded in tree rings').'But there was a problem:
the only known causes of such radiation are supernova explosions or gigantic solar flares, and the researchers knew of no such events in ad 774 or 775,
The low-cost mission is one of only a few available to X-ray astronomers. See go. nature. com/dcye8k for more.
although rapid radiations have occurred throughout time and space, the rate of speciation has increased sharply over the past 40 million years.
and clouds, aerosols and radiation. The seventh Earth Explorer mission will provide scientists with yet another set of global data that are hard to come by on the ground.
10 16 may 2013radiation warnings Lawmakers in San francisco, California, agreed on 7 Â May to strike down an ordinance that required retailers to warn consumers about allegedly dangerous radiation from mobile phones.
and start spinning with extra energy that it then lost as a à Â-ray.
Data from à Â-ray detectors showed that radon 220 vibrates between a rough sphere and a lopsided shape
leaving little but radiation behind. Various ideas proposed to supplant the standard model can account for the matter bias.
An examination of the bones, both visually and by X-ray, showed that six of the nine children bore convincing signs of rickets,
including the Hubble Space Telescope and the Fermi Gamma-ray Space Telescope. On receiving recommendations from the review panel
and is continued counting on funding for the à Â-ray telescope.""My very biased and self-interested perspective is that
But because Arafat died nine years ago it is hard to distinguish levels of synthetic polonium from background radiation
and notes that good spectral and radiometric resolution (detection of small differences in wavelength and radiation,
The Synchrotron Radiation Center has provided researchers with infrared, ultraviolet and X-ray photons for experiments including semiconductor research and biological imaging since 1986.
The NSF cut support in 2011 because of budget constraints (see Nature 471,278; 2011). ) The centre was unable to raise alternative funding to save itself from closure;
Nuclear leak The US Department of energy confirmed on 20 Â February that radiation has escaped from a facility storing nuclear waste.
The department closed the Waste Isolation Pilot Plant (WIPP) near Carlsbad, New mexico, after an underground air-monitoring system detected radiation on 14 Â February.
Energy-department officials say radiation levels have dropped now and they expect plant staff to be able to re-enter the WIPP within two weeks.
19 february NASA announces findings from its high-energy X-ray mission, the Nuclear Spectroscopic Telescope Array (Nustar.
the radiation released after the Big bang. See page  281 and go. nature. com/lruz8e for more.
Radiation leak The US Department of energy reported on 26 february that 13 employees had tested positive for low-level radiation exposure following a leak at its Waste Isolation Pilot Plant near Carlsbad, New mexico.
riff raffperhaps vortexes of magma under the Earth crust are swirling about of the East coast of Africa causing the solar cosmic radiation to make swirling vortexes
They can t the radiation in space is DEADLY. Not just the Van allen belts the Van allen belts protects us from the sun
If the radiation belts in the Earth's magnetosphere were really that deadly because we have been shielded improperly this whole time we probably would have noticed by now...
because all of those astronauts would have died of radiation poisoning. And we DID in fact land on the moon the proof is in the retroreflectors that we can use on a regular basis to measure (with extreme precision) with lasers the distance between Earth and the moon.
According to John Tarduno professor of geophysics at the University of Rochester a strong magnetic field helps protect Earth from blasts of radiation from the sun. Coronal mass ejections (CMES) occasionally occur on the Sun
Even if the field becomes very weak at the Earth's surface we are shielded from radiation by the atmosphere.
That cosmic radiation blasting the Earth's surface could cause genetic mutations and cancers. Yet when palaeontologists scoured the fossil records looking for signs of mass extinctions
The International atomic energy agency may be known best for dealing with nuclear disasters such as the Fukushima reactor meltdown but it also works on crop science techniques that use radiation.
with a tiny bit of radiation enough to damage their DNA. That created a pool of seeds with different random mutations any
but the FAO/IAEA Joint Programme doesn't use it because the IAEA focuses on radiation technologies.
Radiation is believed widely to be the element fueling mutation in evolution. To the point that mutation based on radiation is accepted as a biological dating system.
The plant is not radioactive it s only accelerated evolution with human selection. The wisdom in human selection is the greatest risk factor here. tmarti69 As the Earth is currently in the beginnings of a magnetic polar flip with a ongoing to zero reduction of magnetic field more wild life will be subject to the the sun comsic radays
By exposing bdelloids to extremely high levels of ionizing radiation (a treatment that causes hundreds of physical breaks in DNA strands) one of Meselson's former graduate students Eugene Gladyshev showed that bdelloids can completely rebuild their genomes an unprecedented feat
and that the radiation and heat emanating from the star didn't kill you on your approach.
b) in their neglect of indirect response by the stratosphere and of possible additional climate effects linked to solar magnetic field UV radiation solar flares and cosmic ray intensity modulations;(
magnetic field generated deep within the planet is a shield against particle radiation from space. In the South Atlantic this shield is much weaker than elsewhere across the globe
and radiation from space therefore penetrates deeper into the atmosphere. This region is known as the South Atlantic Anomaly (SAA)
and the radiation in the SAA is known a hazard to satellites spacecraft and high-altitude aircraft.
However these factors are important in knowing where the radiation risk may be increased and how the atmosphere might respond...
and you would also have an increase in the cosmic radiation making it to the surface he said.
Shills will say they didn't know they didn't have an understanding of the workings of the cell that would make it vulnerable to radiation
and they didn't even know about radiation.''''As far as they knewã¢Â# there was no danger.
If asked they will say that they did not have the kind of understanding of the nature of the cell that would indicate that radiation could harm them.
âÂ# Just like a century ago âÂ#Âoescientificã¢Â# evidence of radiation harming cells didn't exist either!
Between 90000 and 166000 people were killed by the bomb some in the initial blast and others later through radiation poisoning.
despite no radiation from the Sun reaching the planet ever again. Tough but doable. The caveats in that previous paragraph are the much larger obstacles to overcome in my opinion.
#Cheap Handheld Device Lets You See through Wallsever wished for X-ray vision? In the future you could get something like it from a handheld device.
Researchers have worked long to come up with X-ray vision machines. Other experimental devices have generally been larger
Other recent X-ray vision efforts include a system published in 2011 also developed at MIT.
As the process continues the Earth will loses it magnetic field against the suns radiation. This process is unstoppable and extreme in effect upon the Earth compared to the human induced industrial revolution warming.
To fully analyze the fragile fossil researchers collaborated with the European Synchrotron Radiation Facility in Grenoble France.
Using a high-intensity X-ray beam the Synchrotron scanned the fossil producing high-resolution data. This data was rendered then into 3-D versions to be analyzed
The explosion was a gamma-ray burst or GRB a type of event that's the brightest we know about in the universe.
and consist of a tightly focused narrow beam of radiation moving at speeds about as close as you can get to the speed of light without exceeding it.
This one about 3. 6 billion light-years away was observed by Fermi's Gamma-ray Burst Monitor
beam of radiation moving at speeds about as close as you can get to the speed of light um considering that its a gamma ray burst
and gamma rays ARE light the beam HAS TO BE moving at EXACTLY the speed of light. Imagine compressing a weird space-apple from all sides until a jet of space-apple juice explodes out of a tiny point before the apple turns into a black apple holei disagree.
Gamma rays (hence gamma ray burst) are light. Light travels at the speed of light. Period. Events generating GRBS will also tend to be accompanied by hyper-relativistic plasma jets
In this transit period radiation cancer deaths will multiply into the 100k yearly for humanity. See these links:
I read somewhere that coal fire power plants release more radiation (in the form of radioactive impurities being vaporized) into the atmosphere every year than all nuclear power plants ever (including meltdowns.
but we're at such a point in our'advancement'that our diluted pollutants are reaching toxic levels. 1. Nuclear power plants emit dangerous radiation into the air and water during their DAILY operations.
Cancer-causing radiation such as Iodine-131 Cesium-137 Tritium Krypton Strontium...2. A NEW Gallup Poll says over 70%of Americans want more WIND
and Ecological Consequences of Fukushima in which the amount of cancers caused by radiation in our food
The total amounts of deaths birth defects miscarriages heart attacks cancers etc. due to nuclear radiation is in the millions upon millions;
and Fukushima. 3 mile island caused less extra radiation than you'd get from a cross-country flight.
and about as mature as your avatar. 1. A quick trip to wikipedia shows many many nuclear meltdowns and accidents such as Santa Susana in California and the Urals in Russia which spewed tons of radiation
over unsuspecting populations. 2. Comparing radiation received from an airplane flight to exposure to nuclear radiation
which is inhaled/ingested is a hugely false comparison (so is comparing it to bananas or radiation from watching TV etc.)
These comparisons are made by pro-nuclear propagandists to try to minimize the dangers of nuclear radiation. 3. Nuclear radiation is highly dangerous
and there is NO SAFE DOSE of nuclear radiation. Dr. Romeo F. Quijano said this about nuclear radiation:
The small amount of radiation claimed to be safe by authorities added to our increasingly fragile environment will cause serious harm to the health of human beings and other living organisms all over the world.
Radioactive particles especially Plutonium Strontium and Cesium are bioaccumulative extremely persistent and highly toxic. They travel long distances
and will contaminate all regions on earth. www. abs-cbnnews. com/insights/04/01/11/nuclear-radiation-there-no-safe-dose4.
Dr. Yablokov found ONE MILLION deaths due to Chernobyl. 5. Dr. Wing found that lung cancers rose dramatically in people exposed to the Three Mile Island radiation plume. 6. Dr. Gould
coast. 9. Dr. Gofman did studies on the increases of breast cancer due to nuclear radiation. 10.
and predicts a 70%increase thyroid cancer risk in females exposed to Fukushima radiation as infants. 11.
It's not just cancers and death that nuclear radiation causes. Dr. Wertelecki found teratomos conjoined twins mocrophthalmia NTD microcephaly horrible birth defects and a decrease in cognitive skills due to Chernobyl.
and health effects caused by nuclear radiation. Again I highly recommend everyone watch the speakers at the Fukushima Symposium to learn more. www. totalwebcasting. com/view/?
/id=hcfthe doctors at the Symposium have spent decades studying the effects of nuclear radiation and their grim analysis is in their presentations.
And nuclear radiation is not just affecting humans. Animals are showing signs of radiation exposure.
Fish have been caught with radiation. An entire species of nails is extinct due to Fukushima. Radiation is being in found in seaweed zooplankton and sea life in the oceans.
Animal and plant mutations are being found everywhere. There is no doubt about it. Man-made nuclear radiation is wreaking havoc on human genetics human health and our environment.
NEW Gallup Poll: Americans Want More Energy From Wind Solar Gasno fewer than two in three Americans want the U s. to put more emphasis on producing domestic energy using solar power (76%)wind (71%)and natural gas (65%.
%Far fewer want to emphasize the production of oil (46%)and the use of nuclear power (37%.
of Onihikage's comments he's exactly right about there being only two nuclear power plant incidents in history that resulted in significant radiation release
Interestingly no one died from radiation released in the Fukushima Daiichi accident. That averages out to a little over 1 fatality a year.
%This UN Scientific Committee Report on the Effects of Atomic Radiation (UNSCEAR) published in 2008 says there is no evidence of a major public health impact attributable to radiation exposure two decades after the accident.
and Dr. Sternglass claiming a million deaths due to the radiation release from Three Mile Island. What you're missing in your extremely narrow
and warped view on nuclear radiation is balance and perspective. Onihikage was right to call you out on your radiation junk science.
Do you know how much radiation was released from Three Mile Island? I'll tell you. The radiation released resulted in an average dose of 1. 4 mrem to the two million people near the plant.
The report compared this with the additional 80 mrem per year received from living in a high altitude city such as Denver.
As further comparison you receive 3. 2 mrem from a chest X-ray âÂ#Âmore than twice the average dose of those received near the plant. http://en. wikipedia. org/wiki/Three mile island accidentdo
you seriously think a million people die from receiving a chest X-ray? If that were true chest X-rays would have been abolished long ago by the FDA.
Your claim 3. Nuclear radiation is highly dangerous and there is NO SAFE DOSE of nuclear radiation is also rubbish.
Nuclear radiation is used daily to irradiate foods to prevent spoilage with no adverse health effect whatsoever.
In fact it saves lives by preventing deadly bacteria from forming. Nuclear radiation is used safely countless times every day in numerous ways in medical and diagnostic procedures on humans;
all of which results in the prolonging of life and improving the quality of life for millions of people each year.
The effects of nuclear radiation have been studied carefully for over 60 years and extremely conservative dosage limits set in place to protect the safety of people who work in environments where radiation exposure is commonplace.
The U s. Nuclear Regulatory Commission says Although radiation may cause cancer at high doses and high dose rates public health data do not absolutely establish the occurrence of cancer following exposure to low doses and dose rates âÂ#Âbelow about 10000 mrem (100 msv).
Studies of occupational workers who are exposed chronically to low levels of radiation above normal background have shown no adverse biological effects. http://www. nrc. gov/about-nrc/radiation/health-effects/rad
-exposure-cancer. htmlhere's a graphic comparison of different levels of radiation dosages: http://xkcd. com/radiation/And here's an MIT study from 2012 which suggests that the established long-term radiation dosage limits may be 10 times too conservative due to the way the cancerous effects are measured;
not from actual experiments of long-term radiation but from EXTRAPOLATING the effects from single high-dosage events like the bombing of Nagasaki and Hiroshima or the exposion at Chernobyl:
http://web. mit. edu/newsoffice/2012/prolonged-radiation-exposure-0515. htmlto sum up do as Onihikage suggests
and read up on the remarkable safety of nuclear power and get some perspective on the vast array of other things that pose much greater health risks than nuclear power.
As for the Gallup poll Listenup it says nothing about what forms of energy Americans want to prioritize.
It simply shows that Americans want the country to produce more energy from all of the sources named.
Second of all although most of the facts previously stated about radiation and nuclear energy are true you do realize that most of that info is talking about decades old nuclear technology?
and negative sources of non-iodizing radiation (the correct term to use) which include transmission towers (cellular and digital television broadcasting) fluorescent lighting Wi-fi Power lines and certain appliances.
and mapping their frequencies and power outputs one is able to see a correlation within a set radius of bee populations affected by theses sources of non-iodizing radiation.
or none RF radiation would be places of high bee population. I wonder if this has been looked at to give validity to the above theory.
#A Huge Burst Of Gamma rays Hit Earth--And No one Noticedlast year Japanese scientists found evidence that in 775 AD Earth was hit with a sudden blast of high-intensity radiation--a blast
So what could have caused the massive burst of radiation and the high influx of energetic particles that led to the elevated levels of carbon-14 in the atmosphere?
The radiation either came from an especially intense solar flare or the explosion of a nearby star.
Second--and perhaps more importantly--such flares would also have destroyed the Earth's ozone layer exposing all of life to harsh radiation
A nearby supernova would have sent gamma rays flying in all directions. Those rays would have created high-energy particles in our atmosphere
which could then go on to form the carbon-14 present in such abundance in the Japanese cedars.
But in order to send out enough gamma rays to do the trick the supernova would have had to be bigger and brighter than other historical bright spots that were documented in fact.
a short-duration gamma ray burst produced by the collision of two nearby neutron stars. Though immensely powerful (we're talking two 10-mile wide boulders each with the mass of our sun) the collision would only have been visible from Earth for about a day
In all of these colonize Mars discussions of late nobody brings up radiation protection. Mars has no magnetic field so that means no protection from solar radiation.
i propose temporary housing units that can move on six to eight legs. 6-10 of lead in the walls for protection from radiation.
Boar carcasses are supposed not to exceed radiation levels of 600 becquerels per kilogram but in the past year 297 out of 752 boar tested in Saxony have su this safe amount.
which are known to store radiation. Apparently researchers have been cataloguing this pattern of boar radioactivity for some time
Experts predict it may be another 50 years before boar radiation levels return to normal the Telegraph notes.
Researchers have used also radiation to increase random mutations. But the difference between these lab-grown mutants and their Hollywood counterparts comes down to luck.
or radiation mortally fraying their DNA. They won again and again packing on good traits dodging bad ones
Radiation exposure transforms The Metal Man of Jack Williamson s eponymous 1928 short story into the progenitor of today s fictional mutants.
According to VTT the X-ray scanning of timber could increase yield volume by 5 per cent equivalent to extra annual sales revenue of AUD 70 million for large sawmills.
But large proteins like molecular motors or signaling proteins have multiple functional conformations some of them too short-lived to be captured by X-ray crystallography.
because trees in warmer maritime forests radiate heat in the form of long-wave radiation to a greater degree than the sky does.
Nondestructive imaging of ancient fossilsby integrating high-resolution X-ray imaging (termed microct) 3d image segmentation and computer animation a new study conducted by Carole Gee at the University of Bonn Germany demonstrates the visualization of fossils without destroying the material.
Using this technique X-ray images similar to those used in the medical field are captured providing virtual cross-sections of the specimen without ever cutting into the sample.
Monotremes (platypuses and echidnas) are the last remnant of an ancient radiation of mammals unique to the southern continents.
Using CSIRO's Maia detector for x-ray elemental imaging at the Australian Synchrotron the research team was able to locate
Our advanced x-ray imaging enabled the researchers to examine the leaves and produce clear images of the traces of gold and other metals nestled within their structure principal scientist at the Australian Synchrotron Dr David Paterson said.
#Compound derived from vegetables shields rodents from lethal radiation dosesgeorgetown University Medical center researchers say a compound derived from cruciferous vegetable such as cabbage cauliflower and broccoli protected rats and mice from lethal doses of radiation.
and prevent or mitigate sickness caused by radiation exposure. The compound known as DIM (33'-diindolylmethane) previously has been found to have cancer preventive properties.
but this is the first indication that DIM can also act as a radiation protector says the study's corresponding author Eliot Rosen MD Phd of Georgetown Lombardi Comprehensive Cancer Center.
For the study the researchers irradiated rats with lethal doses of gamma ray radiation. The animals were treated then with a daily injection of DIM for two weeks starting 10 minutes after the radiation exposure.
The result was stunning says Rosen a professor of oncology biochemistry and cell & molecular biology and radiation medicine.
All of the untreated rats died but well over half of the DIM-treated animals remained alive 30 days after the radiation exposure.
Rosen adds that DIM also provided protection whether the first injection was administered 24 hours before or up to 24 hours after radiation exposure.
We also showed that DIM protects the survival of lethally irradiated mice Rosen says. In addition irradiated mice treated with DIM had less reduction in red blood cells white blood cells
and platelets--side effects often seen in patients undergoing radiation treatment for cancer. Rosen says this study points to two potential uses of the compound.
which describes how irregular grains can be aligned by their interaction with magnetic fields and stellar radiation.
I simulate scattered radiation fluxes. Based on the flux densities Dr. Fayock's model maps out the heliosphere and its features like where the heliopause area is expected to be.
When the interaction of metals was analyzed by X-ray photoelectron spectroscopy it revealed the creation of a more supportive substrate for the forests to root in.
#X-ray science taps bug biology to design better materials and reduce pollutionbug spray citronella candles mosquito netting--most people will do anything they can to stay away from insects during the warmer months.
Researchers using the cutting-edge X-ray technology at the U s. Department of energy's Advanced Photon Source (APS) were able to take an inside look at several insects gathering results that go beyond learning about insect physiology and biology.
and nature of our sun's heliosphere--the gigantic bubble that surrounds our solar system and helps shield us from dangerous incoming galactic radiation.
#Bismuth-carrying nanotubes show promise for CT scansscientists at Rice university have trapped bismuth in a nanotube cage to tag stem cells for X-ray tracking.
That lets us take an X-ray image of the cell. The capsules are made from a chemical process that cuts
By measuring the vibrations between atoms using femtosecond-long laser pulses the Rice lab of chemist Junrong Zheng is able to discern the positions of atoms within molecules without the restrictions imposed by X-ray diffraction (XRD) and nuclear magnetic resonance (NMR) imaging.
In the new study Huang and Rice graduate student Tzu-Lin Sun partnered with colleagues Ming-Tao Lee at the National Synchrotron Radiation Research center (NSRRC) in Hsinchu Taiwan
The molecular level data came from a series of X-ray diffraction experiments performed by Lee at NSRRC.
Revisiting this classic planetary science scenario with new computer modeling the astronomers found a lower thermal radiation threshold for the runaway greenhouse process meaning that stage may be easier to initiate than had been thought previously.
and radiation and show promise for stacking in three-dimensional arrays. Rudimentary silicon memories made in the Tour lab are now aboard the International Space station where they are being tested for their ability to hold a pattern
when exposed to radiation. The diodes eliminate crosstalk inherent in crossbar structures by keeping the electronic state on a cell from leaking into adjacent cells Tour said.
In contrast to X-ray methods FLASH 2--like all other MRI techniques--is harmless to the organism under examination.
#Nuke test radiation can fight poachers who kill elephants, rhinos, hipposuniversity of Utah researchers developed a new weapon to fight poachers who kill elephants hippos rhinos and other wildlife.
Like greenhouse gases volcanic aerosols perturb the Earth's radiation balance. This supports the idea that the unusually high ENSO activity in the late 20th century is a footprint of global warming explains lead author Jinbao Li.
but the intense radiation this produces also seems to be blowing the material away. It is still unclear how these two processes work together
They are direct evidence that dust is being pushed out by the intense radiation. Models of how the dust is distributed
At ALS beamlines 5. 3. 2. 1 and 5. 3. 2. 2 x-ray spectroscopy showed that the specific way the aluminum substitutes for silicon in the C-a-S-H
High-pressure x-ray diffraction experiments at ALS beamline 12.2.2 measured its mechanical properties and for the first time clarified the role of aluminum in its crystal lattice.
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