Improving old ways to rescue people



            improving old ideas on how to rescue people from a broken building

             One of the ways people search for other people inside a broken building is using quads. Quad copters are flying devices that have four propellers. There are good benefits to these devices but if we want to improve it we need to focus on the bad parts. A major problem is that this device has no programing of the building so it has to navigate itself. So how do we fix it? Some people say you can control it with a remote and have a camera on it. While this is true many things could go wrong. If you use a remote and camera you will have a limited amount of view so you will never know when   you can hit the ceiling,or the wall, or any other rubble. If you put to many camera on the quad would become to heavy to fly. There are many other ways like this one.http://www.youtube.com/watch?v=w2itwFJCgFQ  If you watched the following show you would know that you can use markers and cameras to help you but a collapsed building wouldn't have 10 cameras looking for markers. So how do we fix this? One idea is that it uses ultrasonic which are robot eyes. They can slowly compute what to do and then they go forward. Another way we can fix this is by making it shock absorbent. This means it will be protected so when it hits something it will do little or no damage. Another problem is a quad can only carry a limited amount of weight. There are easy ways to fix this but it means sacrificing another thing. You can have multiple propellers to gain more lift but you will risk losing power quicker. These are some of the most troubling problems with quads.