When stuck together with double-sided tape, the foil is both strong and light enough to be inflated like a party balloon and still fly better than a lead balloon (which do fly, albeit poorly).

They are testing and soon building 12-passenger Seagliders, all in Rhode Island. The seaglider floats, foils and flies up to 30-feet above the ocean. “Hydro foiling is leveraging hydrofoil technology ...