Scientists have trapped a wave of energy in time, forcing it to stay put even when it has every reason to disappear.
April 14, 2026
Original Paper
Experimental Observation of Time-Domain Bound States in The Continuum
arXiv · 2604.10111
The Takeaway
This is the first experimental demonstration of a 'Bound State in the Continuum' happening in the time domain. It creates an 'impossible' trap for light or sound that doesn't leak away, potentially enabling a new type of perfect, long-term data storage.
From the abstract
Bound states in the continuum (BICs) are spatially localized eigenmodes that remain perfectly confined even though their energies reside within a continuum of radiating modes. BICs were predicted in 1929, but their experimental realization awaited more than 8 decades. Following their experimental observation, BICs were explored in a variety of wave systems, and found to exhibit a plethora of fundamental features such nontrivial topology and extremely high Q-factor. Recently, with foundational ad