Hi Tech Ears News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Our breaking news. today's search area is dramatically narrowing. crews racing to hear what they heard over the weekend. what we're talking about is a lot of the technology for picking up these pings, things like the toe pinger locator, hydro phones, passive sonar, all hi-tech ears for picking up certain noises underwater. we'll take a look at the noise makers. we'll find out how they work and what they sound like. >> reporter: if search teams in the indian ocean are hot on the trail of flight 370 black box this man would know it. he's president of the largest manufacturer of black box pingers...

To help reduce the risk of another one. if you've had a heart attack be sure to talk to your doctor before you begin an aspirin regimen. . our breaking news. today's search area is dramatically narrowing. crews racing to hear what they heard over the weekend. what we're talking about is a lot of the technology for picking up these pings, things like the toe pinger locator, hydro phones, passive sonar, all hi-tech ears for picking up certain noises underwater. we'll take a look at the noise makers. we'll find out how they work and what they sound like. >> reporter: if search teams in the indi...