Soapbox Quantum Physics A maverick physicist is building a case for scrapping quantum gravity Gravity might be classical, not quantum, physicist Jonathan Oppenheim suggests Scientists are developing a theory of gravity that describes spacetime in a classical, or non-quantum, way, yet preserves known quantum effects, such as interference patterns (represented by the striped circle at right) observed in certain experiments. Isaac Young Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Emily Conover December 8, 2023 at 8:00 am A rift runs deep through the heart of physics.