Tag: supply

New paddling submarine needs no engine or power supply

According to a report, a group of scientists has created a unique paddling submarine, which doesn’t need an engine, a power supply, or propellant, using only 3D. The researchers from ETH Zurich, who were led by professor Kristina Shea, collaborated with researchers from the California Institute of Technology (Caltech) in Pasadena, California, to develop a new propulsion concept