Absolutely. there's this Paper from 1999[1] "Experimental Evidence of a New Type of Quantized Matter with Quanta as Integer Multiples of the Planck Mass" about

Absolutely. there's this Paper from 1999[1] "Experimental Evidence of a New Type of Quantized Matter with Quanta as Integer Multiples of the Planck Mass" about how the weight of a closed system with a chemical reaction changes, violating the conservation of mass. [1] https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1.4184&rep=rep1&type=pdf https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1....