Renewable Energy Is Great—but the Grid Can Slow It Down
Many solar and wind projects face a problem: getting the energy from where it’s made to where it’s needed.
Sodium Batteries May Power Your New Electric Car
As EV sales increase, supplies of lithium may get tight. So some companies are incorporating cells with sodium, which provides almost as big a charge.
To Make an Eco-Friendly EV Battery, Think From the Inside Out
Battery packs are designed to stuff a lot of energy into a small amount of space. Some think they should be built for recycling too.
Why It’s So Hard to Predict Where the Pandemic Is Headed Next
Human behavior has changed along with the virus and public health measures to contain it. For modelers, it’s a curveball.
The Delta Variant Is Making Covid a Pandemic of the Young
Children and teens have been spared the worst of the pandemic, but without vaccines they’re sitting ducks as the virus rages. What risks are they facing?
The Delta Variant Has Warped Our Risk Perception
Gone are the easy, thoughtless choices of hot vax summer. Making decisions that balance safety and sanity just got a lot more complicated.
The Dam Is Breaking on Vaccine Mandates
Hopes for a “normal” fall have been dashed by variants and low vaccine uptake. Businesses and the White House think requiring shots can turn things around.
These Bendy Chips Fit in Unusual Places
Researchers think these flexible semiconductors will be able to monitor your heartbeat or tell you whether your milk has spoiled.
GitHub’s Commercial AI Tool Was Built From Open Source Code
Copilot is pitched as a helpful aid to developers. But some programmers object to the blind copying of blocks of code used to train the algorithm.