Physicists are discussing a groundbreaking way to detect gravitons, the hypothetical particles responsible for gravity. This experiment aims to combine gravitational wave technology and quantum theory to finally prove that gravity can be quantized. The proposal involves using supercooled beryllium bars to detect energy changes caused by passing gravitational waves. While some scientists are enthusiastic about this potential breakthrough, others remain skeptical about the implications of a positive result, as it may not definitively confirm the quantization of gravity. This experiment could set the stage for a new era of experimental quantum gravity research, resembling the early battles over the existence of photons in quantum mechanics.
https://www.quantamagazine.org/it-might-be-possible-to-detect-gravitons-after-all-20241030/