What once took up the entire space in IBM’s lab in the 60’s, now fits on a chip. With tech. breakthroughs, it’s been about ...

This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of technology. A $5 million prize awaits proof that quantum computers can ...

After 30 months of fast-paced innovation in quantum algorithms, six research groups are hoping to hit paydirt. But there can be only one big winner—if there is a winner at all.