Tesla

The Cost of Cobalt

Cobalt has been valued for centuries for the deep blue color it imparts to ceramic glazes and glass. Its current value has little to do with such stuff, however. Cobalt is sought today because it’s a critical element in lithium ion batteries, the devices that power our cell phones, computers, and electric vehicles.

Tesla Is Breaking Records Galore. But Is the Eco Hype Overblown?

One of the best ways to flaunt your Earth-hugging bona fides these days is to buy an electric car. It shows you’re willing to put your money—a lot of your money—where your mouth is, assuming your mouth spends a fair amount of time declaiming on global warming, atmospheric carbon emissions, nitrogen oxides, sulfur dioxides, and the sinister intentions of the global hydrocarbon extraction cabal. Buying a Tesla demonstrates you’re doing your part to keep our planet cool and green.

The Good, The Bad and The Robot: Experts Are Trying to Make Machines Be “Moral”

Good vs. bad. Right vs. wrong. Human beings begin to learn the difference before we learn to speak—and thankfully so. We owe much of our success as a species to our capacity for moral reasoning. It’s the glue that holds human social groups together, the key to our fraught but effective ability to cooperate. We are (most believe) the lone moral agents on planet Earth—but this may not last. The day may come soon when we are forced to share this status with a new kind of being, one whose intelligence is of our own design.

Drivin’ on Sunshine: Cal Team Is Crafting Solar-Powered Car for National Race

As flocks of wild turkeys and geese look on, about 50 members of the UC Berkeley Solar Vehicle Team—aka CalSol—are laboring from dawn to dusk every day at the Richmond Field Station, a 152-acre lot six miles northwest of campus. Their goal: the construction of “Zephyr,” a solar-powered car that can cruise along at 55 miles per hour on only the energy needed for a portable hairdryer.

It’s Cal’s latest entry in an international collegiate competition that has been going on since the early 1990s, before many of CalSol’s current members were born.

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