Original sentence: There are still claims that Brown discovered antigravity, an idea popular with the unidentified flying object (UFO) community and spawning many conspiracy theories.Thomas Townsend Brown (March 18, 1905 – October 27, 1985) was an American inventor whose research into odd electrical effects led him to believe he had discovered a connection between strong electric fields and gravity, a type of antigravity effect
Edited sentence: There are still claims that Brown discovered antigravity, an idea popular with the unidentified flying object (UFO) community and spawning many conspiracy theories that suggest that the CIA, Department of Energy, and various other entities, have suppressed such information for their own profit.Thomas Townsend Brown (March 18, 1905 – October 27, 1985) was an American inventor whose research into odd electrical effects led him to know that he had discovered a connection between strong electric fields and gravity, a type of antigravity effect