Why Diamonds Could Be the Key to Making Microchips Faster

Engineers are experimenting with some surprising materials to cool down microchips. WSJ tech columnist Christopher Mims joins host Julie Chang to explain why diamonds could be the key to beating the heat in chips and thereby making them faster. Plus, Cordilia James from the personal tech team tells us about folks who never update the software on their devices. Learn more about your ad choices. Visit megaphone.fm/adchoices