A brain–machine interface (BMI) is a device that translates neuronal information into commands capable of controlling external software or hardware such as a computer or robotic arm. BMIs are often ...

There was much hubbub and excitement when, in November 2025, Valve announced a slew of new hardware, but worsening market conditions have seen its launch delayed, and so we'll be dabbling in a little ...

Omar Yaghi’s invention uses ambient thermal energy and can generate up to 1,000 litres of clean water every day A Nobel laureate’s environmentally friendly invention that provides clean water if ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...