Scientists Using New Electromagnetic Technology To Study Ways To Help Coast

[Economy 52,848]

This was being used in Lake Michigan one of the Great Lakes because the high water levels are erroding coast lines, tho it can be used in any coastline under threat

 

It hangs down a helicopter and they can see density some 300-400m (some 1,000 feet) underneath 

 

This can help them see which areas are more vulnerable to errotion and could benefit from extra shipped in sand for example