Accused Putin Apologist@BlueDouche and I say might be reverse engineered because electrogravitics were being researched in the 1920s.
With the way the govt can classify patents and research there are any number of tech advances that are shelved for better or worse
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.