Inside a secure research facility, the U.S. Navy operates one of the world’s most advanced indoor oceans - an enormous wave tank designed to test warship performance long before they reach open water.

Add Yahoo as a preferred source to see more of our stories on Google. This real covert operation took place during the 1950s and 1960s with some volunteers and quite a few unwilling participants who ...

Add Futurism (opens in a new tab) Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Scientists at the ...