Atomically thin semiconductors have been made by transferring the oxide 'skin' of a liquid metal to substrates. This opens the way to the low-cost mass production of 2D semiconductors at the sizes ...

This year's Mobile World Congress is all about nostalgia. Take HMD, for instance: The company showed three new Android phones, but the one that got the most attention was the rebooted Nokia 3310, ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced ...