Twist on Famous Double-Slit Experiment Deals a Blow to Einstein’s Quantum Doubts

The famous double-slit experiment, which demonstrates the wave-particle duality of light, has been given a new twist. Researchers have found that by introducing a third slit, they can observe the wave and particle nature of light simultaneously, albeit in different locations. This experiment deals a blow to Einstein's doubts about the principles of quantum mechanics. The findings suggest that light can indeed exhibit both wave and particle characteristics, but they cannot be observed together in the same place. The researchers used a technique called "quantum erasure" to control the information that reveals the particle or wave nature of light. The study provides further evidence for the counterintuitive nature of quantum phenomena and underscores the limitations of our classical understanding of the physical world. The results have important implications for the development of quantum technologies, such as quantum computing and communication.