Turning off power is a last-ditch strategy for utilities to reduce the risk that their systems could spark wildfires. In most states, deciding whether to take that step is up to utilities.
Lithium-ion battery fires are becoming increasingly common as electric vehicles spread, and are hard to extinguish. A new approach uses an electrolyte based on a commercial fire extinguisher.
If an alert from the federal government pops up on your phone, will you notice it? Will you know who it’s from? Will you trust it?
Lithium-ion batteries power many electric cars, bikes and scooters. When they are damaged or overheated, they can ignite or explode. Four engineers explain how to handle these devices safely.
Transportation Secretary Pete Buttigieg is looking into new rules for trains. Trucks, however, are involved in thousands more hazmat incidents every year in the US.
New ethical issues are emerging during COVID-19 as doctors struggle with their obligations to ‘do no harm’ and respect patient autonomy.
The US faces a high risk of hurricanes and other disasters this year that could leave thousands of people in need of shelter. COVID-19 will make those disasters more dangerous to manage.
Robots are helping health care workers and public safety officials more safely and quickly treat coronavirus patients and contain the pandemic. They have something in common: They're tried and tested.
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