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Safecast is an international, volunteer-centered organization devoted to open citizen science for environmental monitoring.Safecast was established by Sean Bonner, Pieter Franken, and Joi Ito shortly after the Fukushima Daiichi nuclear disaster in Japan, following the TÅhoku earthquake on 11 March 2011 and manages a global open data network for ionizing radiation and air quality monitoring.
Background radiation is a measure of the level of ionizing radiation present in the environment at a particular location which is not due to deliberate introduction of radiation sources. Background radiation originates from a variety of sources, both natural and artificial.
State-ordered environmental testing has uncovered elevated levels of cancer-causing radiation at a popular spot for hikers and dog walkers in the Bay Area, according to a new report.
A reading is taken from each of the over 200 stations every hour [2] [3] and an alert triggered if radiation levels for specific isotopes rise significantly above normal background radiation levels at one or more stations. RREMS replaced the older Radioactive Incident Monitoring Network (RIMNET) system in September 2022.
Candelas Glows argued that a July 2015 radiation report from the Rocky Flats Stewardship Council shows plutonium levels at 1.02 pCi/L, compared to the regulatory standard of 0.15 pCi/L. [120] While anti-Refuge activists have received the bulk of media attention, [ citation needed ] other community members support the Refuge opening and have ...
The South Atlantic Anomaly (SAA) is an area where Earth's inner Van Allen radiation belt comes closest to Earth's surface, dipping down to an altitude of 200 kilometres (120 mi). This leads to an increased flux of energetic particles in this region and exposes orbiting satellites (including the ISS) to higher-than-usual levels of ionizing ...
A map claiming to show the areas of the US that may be targeted in a nuclear war that originally circulated in 2015 is making the rounds again, amid the Russian war in Ukraine.
Researchers have released initial measurements of radiation levels experienced inside NASA's Orion spacecraft during its 25-day uncrewed Artemis I mission in 2022 around the moon and back to Earth.