Cerebras’ Wafer-Size Chip Is 10,000 Times Faster Than a GPU

An anonymous reader quotes a report from VentureBeat: Cerebras Systems and the federal Department of Energy’s National Energy Technology Laboratory today announced that the company’s CS-1 system is more than 10,000 times faster than a graphics processing unit (GPU). On a practical level, this means AI neural networks that previously took months to train can now train in minutes on the…

The Curse of the Buried Treasure

Two metal-detector enthusiasts discovered a Viking hoard. It was worth a fortune — but it became a nightmare. From a report:
Leominster, in the West Midlands area of England, is an ancient market town where the past and the present are jumbled together like coins in a change purse. Shops housed in half-timbered sixteenth-century Tudor buildings face the main square, offering cream…

Iron Powder Passes First Industrial Test As Renewable, Carbon Dioxide-Free Fuel

An anonymous reader quotes a report from IEEE Spectrum: While setting fire to an iron ingot is probably more trouble than it’s worth, fine iron powder mixed with air is highly combustible. When you burn this mixture, you’re oxidizing the iron. Whereas a carbon fuel oxidizes into CO2, an iron fuel oxidizes into Fe2O3, which is just rust. The nice thing…