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A New Wildfire Watchdog

Cars That Think

Could it use batteries instead, at least one per sensor node? Pause for a moment to look at the smoke detector in the room where you're sitting and think about the last time you changed its battery. But in either case the computer must always be running, which means it will eventually drain the battery.

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Will an EV-Filled World Pass The Sulfuric Acid Test?

Cars That Think

In a net-zero future, a future where petroleum and natural gas production enter terminal decline and never return to their past carbon-spewing heights, sulfur production will fall away, too. Those heavy metals are key elements in lithium-ion batteries, electric motors, and other technologies crucial for the renewable transition.

Renewable 107
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Big Science tools for clean transportation: neutron scattering at ORNL

Green Car Congress

Neutrons do not possess any electric charge; they are stable inside the nucleus, and outside of it, they decay with a lifetime of about 15 minutes (886 seconds)—a long time for a fundamental particle. In the case of ORNL’s SNS, the target is mercury. Specs for the 1.4 MW protons beam: 1 GeV, 1.4 mA, 60 Hz rate.