The video assistant referee causes controversy every week in the Premier League, but how are decisions made, and are they correct? This season, we take a look at the major incidents to examine and ...

Inside IBM’s main research center rises a maze of silver towers, each 22 feet tall. Through their vented flanks, you catch glimpses of blinking lights and the shadows of wires. The machine’s ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Robert Kelly is managing director of XTS Energy LLC ...

Semi-automatic offside technology was down and unable to provide a judgment on whether Nick Woltemade was offside for his second goal against Chelsea. Instead, a lengthy stoppage was required as VAR ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Michael Boyle is an experienced financial ...