WASHINGTON, May 9 -- The Federal Aviation Administration has issued a proposed rule (14 CFR Part 71), published in the Federal Register on May 8, entitled: "Proposed Amendment of Class D and Class E Airspace, Revocation of Class E Airspace, and Establishment of Class E Airspace; Multiple Ohio Towns". The proposed rule was issued by Steven T. Phillips, Acting Manager, Operations Support Group, ATO Central Service Center. DATES: Comments must be received on or before June 22, 2020. FOR FURTHER   more

HOUSTON, Texas, May 8 [TNSscientificresearch] -- Rice University issued the following news release: Rice University researchers have found evidence of piezoelectricity in lab-grown, two-dimensional flakes of molybdenum dioxide. Their investigation showed the surprise electrical properties are due to electrons trapped in defects throughout the material, which is less than 10 nanometers thick. They characterize these charges as electrets, which appear in some insulating materials and generate in  more