Page 9 - Sound Wave News Today : Breaking News, Live Updates & Top Stories | Vimarsana

So i think we owe him to have an opportunity to wait. he's sending sound waves saying, yes, i'm going to be much stronger. >> so that's what we should hear. he says 35% tariff on these companies, but you're saying see it as a sound wave of him saying we're going to sit down and talk, something's going to change, don't hold him to the specifics just yet. >> i'm saying if it were me on the other side, i would say this man is going to do that. he's serious about imposing it, unless we respond. so what's responding? to china, it's not really currency manipulation today that's the problem. it was a...

Be a deep, deep layer. it's hard to know what's going on in that part of the ocean. but what you're looking is you're looking at a side scan sonar return. so you're looking at a bounce from an object. so when that sound wave hits that ooze--it's almost like what we call in radar, a corner reflector. it's quite objevious. so it does make the searching easier. >> is there any reason that kind of search should continue beyond tomorrow? >> i don't think there is. first of all, these guys have been working around the clock for over three weeks, and that's tough duty, it's tough on them, it's tough ...

Using sonar, bounces sound wave to create a map of what might be down there. this area of the indian ocean is unchartered. it's unclear what it might finld. they believe the sea floor is covered in rolling hills and silt, which could make the investigation easier, maybe. it's a job suited for an unmanned sub. >> from all i know in doing oceanography, the worst thing to do is send a manned vehicle down. everything we learned, if you look at the gulf of mexico oil spill, they were able to fix it with an r.o.v., a remote operational vehicle. we have experience with remote operational vehicles tha...

I con taxed the fbi immediately, i got to hand it to them, they were on it and said that was very good quality photo we can do something with. >> david, how close were you or were you using an advanced zoom lens? >> no, this is -- this was a -- this just an iphone 4 and my friends were standing where the second bomb went off. when i finish you had the marathon, i was walking took meet them and they weren't there my phone had died so i walked into one of the stores and when i walked out at 2:49, i was on fairfield, which was probably about three or four stores from the second bomb. i was lookin...

Collection of sensors. >> reporter: laura was one of the students on the design team and even while blindfold her feet can still see. >> so there is something -- like in this area. >> reporter: when the shoe gets near an obstacle, the nearest sensor begins to vibrate. >> there's something directly in front of me, so i'm going to go -- >> reporter: the closer the obstacle, the faster the vibration. how does it work? well, it's similar to backup sensors in a car. [ beeping noise ] they send out a small sound wave. when the sound bounces back, the car knows how far away the obstacle is. >> when i...