Gravity
An international team of physicists has found that quantum collapse models, potentially linked to gravity, introduce a minuscule uncertainty in time itself. This sets a fundamental limit on clock precision, though far below current detection levels. The research, published in Physical Review Research, explores ties between quantum mechanics and gravity.
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Scientists suggest that advanced telescopes could detect subtle differences in black hole images to evaluate alternative gravity theories. The Event Horizon Telescope's successors might reveal variations from general relativity in extreme gravitational environments. However, detecting these differences will require extensive data collection over years.