Engineering

Desktop 3-D printing in metal or ceramics

These spur gears—seen here with a euro cent coin for scale—have been produced in stainless steel to a space standard of quality using nothing more than an off-the-shelf desktop 3-D printer.

Energy & Green Tech

Firebricks offer low-cost storage for carbon-free energy

Firebricks, designed to withstand high heat, have been part of our technological arsenal for at least three millennia, since the era of the Hittites. Now, a proposal from MIT researchers shows this ancient invention could ...

Machine learning & AI

How to make AI less biased

With machine learning systems now being used to determine everything from stock prices to medical diagnoses, it's never been more important to look at how they arrive at decisions.

Hardware

AMD steps up its Ryzen game with 45W chips

Ryzen and shine. AMD has released new laptop chips and expect their glitter to come through in high performance laptops. Namely, AMD has listed Ryzen 7 2800H and Ryzen 5 2600H on its website, said Tom's Hardware.

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