In Australia, people receive about 1,500 to 2,000
How much background radiation is there in Australia? on many factors, such as the type of soil and rock present, altitude, latitude and diet. The range of radiation exposure is highly variable, however on average Australians are exposed to 1.5 mSv each year from natural sources.
There are regions around the world where natural radiation is 7 to 30 times higher than in Japan, such as Yangjiang in China, Kerala in India, and Ramsar in Iran.
The Australian Radiation Protection and Nuclear Safety Agency prescribes an annual dose limit for members of the public of 1,000 μSv. This is a dose that may result from the use of ionising radiation but does not include background radiation doses or doses you may receive from medical procedures.
As a starting point, Dr Muller measured the average radiation in Sydney and got a reading of 0.15 microsieverts per hour, close to the global average of between 0.1 and 0.2 microsieverts per hour.
Fukushima is the most radioactive place on Earth. A tsunami led to reactors melting at the Fukushima nuclear power plant. Even though it's been nine years, it doesn't mean the disaster is behind us. The Japanese government is actually thinking about dumping radioactive water in the Pacific.
Fukushima, Japan
Radiation levels inside the planet have been found as high as 530 sieverts per hour. That's more than enough to kill a human, and it's caused plenty of robots sent inside to fail.
Although radiation affects different people in different ways, it is generally believed that humans exposed to about 500 rem of radiation all at once will likely die without medical treatment.
Cell phones emit radiation in the radiofrequency region of the electromagnetic spectrum. Second-, third-, and fourth-generation cell phones (2G, 3G, 4G) emit radiofrequency in the frequency range of 0.7–2.7 GHz. Fifth-generation (5G) cell phones are anticipated to use the frequency spectrum up to 80 GHz.
At country level, terrestrial external radiation presents different values due to varying geology, from 0.85 mSv/a in Portugal, via 0.6 mSv/a in Bulgaria, Croatia, Sweden and the Czech Republic, to the lowest values, around 0.3 mSv/a, found in Poland, the Netherlands, Denmark and Cyprus.
Earth's magnetic shield protects us from the cosmic radiation and is strongest at the equator and weakest near the poles. The magnetic shield diverts most of the radiation around the earth. Earth's atmosphere shields us from most of the remaining radiation that travels to Earth.
On an average those would be the poles. As you correctly pointed out, due to the tilt of the Earth's axis, there are large areas that receive very little and sometimes no sunlight at all and those change throughout the year. But on an average, poles are the ones that get the least amount of solar radiation.
Australia is near the equator so we experience high UV levels. time of year: our elliptical orbit around the sun and our axial tilt combine to ensure that we are closer to the sun in our summer than the northern hemisphere e.g. in summer the UK has UV Index 6–8, while Australia has UV Index 10–14.
Australians are constantly exposed to ionising radiation from a variety of natural and artificial sources. The sun is a major source of cosmic radiation, or radiation originating from space. Airline flights and skiing at high altitudes are activities that will increase exposure to this cosmic radiation.
The only good news is that research has shown that Australia and New Zealand are among the best places in the world to survive a nuclear apocalypse. Australia scored well as it has a good infrastructure, a huge energy surplus, high health security and abundant food supplies.
Radioresistance is surprisingly high in many organisms, in contrast to previously held views. For example, the study of environment, animals and plants around the Chernobyl disaster area has revealed an unexpected survival of many species, despite the high radiation levels.
There is no recommended limit on how many computed tomography (CT) scans you can have. CT scans provide critical information. When a severely ill patient has undergone several CT exams, the exams were important for diagnosis and treatment.
Basic Radiation Tri-Foil Sign
Symbol can be magenta or black, on a yellow background. Sign must be posted where radioactive materials are handled or where radiation-producing equipment is used. Sign is used as a warning to protect people from being exposed to radioactivity.
The effective doses from diagnostic CT procedures are typically estimated to be in the range of 1 to 10 mSv. This range is not much less than the lowest doses of 5 to 20 mSv received by some of the Japanese survivors of the atomic bombs.
Albert Stevens was an American Painter who is known to have the highest amount of radiation in his body ever recorded. He survived an extremely high amount of radiation for several years.
A freak accident at a Japanese nuclear plant more than 20 years ago exposed a technician to the highest levels of radiation ever suffered by a human being. Hisashi Ouchi came to be known as the 'world's most radioactive man' after suffering the accident.