If electronics are the underpinning of our modern economy, then batteries are what make the world go round. And since its commercial introduction in 1995, the lithium-ion (li-ion) battery has been king.
Over the past 30 years, a three-fold improvement in energy density has driven li-ion batteries far down the cost curve, from more than $3,000/kWh to approximately $150/kWh today, making li-ion the battery chemistry of choice for our toys, consumer electronics, medical devices, power tools, and increasingly, cars. Applications for household and grid storage that balance the intermittency of renewables are already hitting the market. Indeed, the $30 billion industry is expected to clock a blistering 11.6% annual growth rate through 2024, to a valuation of nearly $80 billion1.
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Strontium (Sr) is an element which in the event of a nuclear accident is the one that is most released into the atmosphere. The chemical behaviour of strontium is similar to that of calcium and can accumulate in the soil, in plants and in animals (in bones, especially). It is an element with two main radioisotopes (90Sr and 89Sr) which have an effective biological life that is relatively high for human beings, and due to its fixation in the bones, ends up giving a dose of radiation over many years.
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Hurricane response crews from the U.S. Geological Survey are installing storm-tide sensors at key locations along Florida’s southeast and southwest coastlines in advance of Hurricane Irma.
Under a mission assignment from the Federal Emergency Management Agency, the USGS is currently deploying approximately 58 storm tide sensors, 24 barometers and five rapid deployment gauges, and is consulting with federal and state partners about the need for similar equipment for other coastal areas farther north along the coastlines.
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