A time domain reflectometer (TDR) measures reflections along a cable. It is similar in principle to radar. To measure those reflections, the TDR transmits an incident signal into the cable and watches ...
The Daily Galaxy on MSN
After decades of speculation, physicists finally confirm the existence of “time mirrors”
Physicists have experimentally reversed electromagnetic waves in time, confirming a theoretical prediction that has stood for ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback