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Chinese EV buyers are cooling on Tesla and BYD

​As Tesla sales fall in China, Musk says robots will save the company.  If Tesla was hoping that decent sales in China might boost the company’s fast-diminishing profits, it was a forlorn hope. For the second month in a row, the automaker has experienced a year-over-year decrease in sales…

Porsche’s next Cayenne is fully electric—we drove the prototype

​A day driving camouflaged prototypes revealed some rather neat features.  Porsche provided flights from Albany, New York, to Barcelona and accommodation so Ars could drive a prototype Cayenne Electric. Ars does not accept paid editorial content. Curved displays in cars are increasingly common, adding a bit of shape to…

Research roundup: 6 cool science stories we almost missed

A 3D reconstruction of the Shroud of Turin, “jelly ice,” regenerating snail eyes, and more It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across each month. In the past, we’ve featured year-end roundups of cool science stories we…

Earth models can predict the planet’s future but not their own

One of the world’s foremost climate models now faces funding threats. In the 1960s, meteorologist Edward Lorenz was running weather simulations on an early computer system when he realized that a small rounding difference led to extremely divergent weather predictions. He later called this idea the butterfly effect to…