Ukraine’s Western tanks arrived with a reputation that bordered on myth — Leopard 2s, Abrams, and Challengers were supposed to be battlefield kings. Then they met a front saturated with mines, ...

Capturing every attack manoeuvre of a person wearing a lightweight motion-sensing device, the motion-controlled robot could precisely match moves with the help of artificial intelligence, according to ...

Robot mops, like robot vacuums, have been a point of contention for as long as I can remember. Are they really more effective than simply using a vacuum cleaner and a regular mop or spin mop? The ...

Alana Benson is an investing writer who joined NerdWallet in 2019. She covers a wide variety of investing topics including stocks, socially responsible investing, cryptocurrency, mutual funds, HSAs ...