Radiation
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X @Bloomberg
Bloomberg· 2025-11-12 08:30
Trade Relations - The US has flagged Indonesian footwear exports for radiation [1] Export Concerns - Indonesian shrimp and cloves are already on the US list of flagged exports [1]
Radiation, Reactors, and Reality; Understand the Truth About Nuclear Power | K.N. VYAS | TEDxSurat
TEDx Talks· 2025-11-03 16:15
Nuclear Energy Safety and Public Perception - The industry addresses misconceptions about radiation harming human life, potential radioactivity leaks from nuclear power stations, and the permanent hazard of spent fuel [1][2] - Early radiation safety standards, based on limited low-dose data, led to overly cautious regulations, which the industry now believes are not entirely supported by more recent data from nuclear plant workers and medical patients [5][6] - The industry emphasizes that low-dose radiation exposure within prescribed limits is not significantly harmful to human health, supported by epidemiological studies showing no abnormal cancer increase in plant workers and surrounding communities [7][10][11] - Regulatory boards prescribe a maximum dose of 1 millisievert per year for the public, which is less than half of the natural background radiation dose and significantly less than a chest CT scan (6-7 millisievert) [8][9] Spent Fuel Management and Reprocessing - India, unlike the USA, reprocesses spent nuclear fuel to extract reusable uranium and plutonium, as well as useful radioisotopes [13] - Reprocessing of one ton of spent fuel can generate 336 million kilowatt hours of electricity, with over 99% being uranium and plutonium that can be reused or safely stored [14] - Useful isotopes extracted from spent fuel, such as strontium-90, cesium-137, and americium-241, have applications in blood irradiators, cancer treatment plaques, and deep space missions [14][15] Nuclear Energy and Climate Change - Nuclear power is presented as a clean and concentrated energy source that does not generate carbon dioxide during operation, crucial for mitigating climate change [18] - While solar and wind energy are vital, they are intermittent, unpredictable, and require significantly more land compared to nuclear power (a 1,000 megawatt electric nuclear power station requires 1 square mile, while solar requires approximately 45 times more) [19][20] - India aims to increase nuclear power generation from 8 gigawatt electric to 100 gigawatt electric by 2047, a 12-fold increase, to achieve net-zero carbon footprint by 2070 and improve the human development index [20][21][23]
That’s Rad: Nuclear Normalization | Grace Stanke | TEDxWakeForestU
TEDx Talks· 2025-10-24 15:17
Nuclear Energy Overview - Nuclear energy faced initial negative perceptions due to events like the atomic bombings and Three Mile Island incident, requiring positive interactions to overcome these impressions [1][2][6] - The industry emphasizes learning from past mistakes through the Institution of Nuclear Power Operators (INPO), a database for sharing and preventing errors [10][11][12] - Public support for nuclear energy remains a challenge, with only two new reactors coming online since 2000 [13][14] Nuclear Energy Technology and Efficiency - Modernization of nuclear power plants has increased efficiency, allowing fewer reactors (94 currently) to produce the same amount (20%) of America's electricity as 104 reactors in 1999 [29] - Nuclear fuel is highly energy-dense; one fuel pellet (about the size of a gummy bear) generates the same electricity as one ton (2000 lbs) of coal [32][33] - Nuclear power plants operate at 100% power output 93% of the time, making it the most reliable energy source compared to geothermal (74%) and natural gas (54%) [47] Nuclear Waste and Policy - The industry advocates for changing the term "waste" to "spent nuclear fuel" because 90-95% can be recycled and reused in reactors [35] - Reprocessing of spent nuclear fuel is actively practiced in France, Russia, India, and soon in Japan [36] - There is growing bipartisan support for nuclear energy at the federal level, with hundreds of bills proposed annually and some passing with near-unanimous votes [41][42] - The Biden administration aims to triple nuclear capacity in America, and the Secretary of Energy seeks to unleash the commercial nuclear energy industry for energy dominance [43] Nuclear Energy and Clean Energy - Nuclear energy is considered emissions-free and essential for mitigating climate change, providing reliable baseload power [45] - Unlike other energy industries, the nuclear industry can account for every piece of its waste, stored in dry casks on-site [44]
X @Bloomberg
Bloomberg· 2025-10-15 10:06
Healthcare Technology - Mammograms, while valuable, emit small amounts of radiation [1] - Mammograms can produce false positives [1] - Mammograms can be painful [1] - Caltech researchers are testing a safe, effective, pain-free option [1]
The 2011 Japanese Earthquake and Tsunami | 60 Minutes Full Episodes
60 Minutes· 2025-08-09 11:00
There's a reason we use a Japanese word for a catastrophic seismic ocean wave. Japan has had more tsunamis than any place else on Earth. And the massive 9.0% know earthquake 9 days ago and the subsequent tsunami has left nearly 8,500 people dead, some 13,000 missing and nearly a half a million homeless. And it leaves Japan teetering on the edge of a nuclear crisis that has already resulted in measurable amounts of radioactivity turning up in milk, drinking water, and in some crops. Scott P and a 60 Minutes ...