- Now Playing
04:18Apple, Google, 23andMe, and others are fighting COVID-19, from wearables to faster CT scans to contact tracing - Now Playing22:55India will be the first of many countries Revolut will enter in the next 18 months
- Now Playing01:43Whatsapp, Signal and Telegram face a catch-22 situation as India’s new social media rules threaten encryption
- Now Playing06:27How NASA tests spacesuits
- Now Playing05:21An inventor wants to use his 3,000-kilogram mechanical exosuit in a human-powered racing league
- Now Playing15:48Apple announced its iPhone 12 5G lineup in its October 2020 event with the iPhone 12 Mini and iPhone Pro
- Now Playing09:58A pilot and an architect try answering the Google job interview brain teaser, 'How many golf balls fit into a Boeing 747?'
More from tech
