Early-Warning Earthquake App

On this episode of The New Screen Savers for Saturday, April 7, 2018, with Leo Laporte and Iain Thomson: - What if you got an alert before an earthquake hits? The founder of Early Warning Labs talks about their app QuakeAlert. It can give you up to 30 seconds of warning on your smartphone before you feel the shaking. - Odds are you know about the supermassive black hole at the center of our Milky Way galaxy. Well, there's more! Astrophysicist Chuck Hailey explains how his team found thousands more! - Jason Howell shows us Google Home Hardware Hacks. - It's that time. Megan Morrone shows you how to Spring Cleaning with Tech. - Plus we have a WiFi hotspot question in Call for Help, and we answer more in The Mail Bag.