Interesting to compare with a time-reversal mirror for water waves that uses a high-acceleration "jolt" to disrupt the wave propagation at all points in space s

Interesting to compare with a time-reversal mirror for water waves that uses a high-acceleration "jolt" to disrupt the wave propagation at all points in space simultaneously: https://pubs.aip.org/physicstoday/Online/11398/Reversing-time-with-a-jolt https://pubs.aip.org/physicstoday/Online/11398/Reversing-tim...