No.
Yes.
Airsoft and helicopters don't work well together because the wind from the propeller will blow the bb.
No the touchscreen is unable to work underwater.
Helicopters have improved and changed since they were first made. Many people and companies still work daily on improvements.
An underwater mp3 player can work with no hassle underwater so long as you do not go beyond 5 meters or 15 feet underwater in which the sound frequency would get messed up.
yes
No, GPS signals cannot penetrate underwater because they are radio waves that dissipate quickly in water. Therefore, GPS does not work underwater and alternative methods like acoustic positioning systems are used for underwater navigation.
Maritime archaeologists are archaeologists who specialize in studying underwater cultural heritage sites, shipwrecks, submerged landscapes, and other underwater artifacts. They use specialized techniques and equipment to investigate and preserve these submerged sites.
They call it "break down," not "get sick." Helicopters vibrate. A LOT. You have to work on them all the time because the vibration causes parts to fall off.
They can hover, work on oil rigs, land in small clearings.
Oil rig work, firefighting, military work, rescue tasks.
There are new headphones called h2o audio. These are the only head phones the will work underwater because they have a protective waterproof material. It is not suggested to attempt using basic headphones underwater because they will fail.