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 ...
Morning Overview on MSN

Time mirrors are real, physicists finally prove the weird effect

Physicists have finally turned a long standing thought experiment into a laboratory reality, showing that electromagnetic ...
EDN

Use Time Domain Reflectometry (TDR) for low-cost liquid level measurement —Part III

All the components are easily obtained or manufactured. Any non-magnetic metal can be used for the probe. In this case, stainless steel was used. TDR Detailed Implementation To make a TDR measurement, ...
Electrical Construction & Maintenance

Proper Testing Techniques When Using a Time Domain Reflectometer

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 ...
Electronic Design

Using a VNA Like a Time-Domain Reflectometer

The basic concepts underpinning time-domain reflectometry. Difference between frequency- and time-domain analysis. Some applications of TDR measurements. Time-domain reflectometry (TDR) is a technique ...
Electronic Design

Understanding Measurement In The Time And Frequency Domains

Electrical engineering students rarely leave college with knowledge depth in both digital electronics and RF/microwave theory. The new engineer with digital design skills likely chose that path from a ...