Franklin Field is packed during a Penn Relays in the late 1990s (Photo from the DP Archives). With less than two weeks to go until the Penn Relays, also known as Penn Relay Carnival, let’s look back ...

An automotive relay works by using electromagnetism to change small levels of input electricity into larger current outputs. When an electric signal is sent to the relay, electromagnets form or break ...

A loaded Legacy track team will have five kids with state meet experience on display in their home meet on Friday.

It has been 139 years since the first Penn Relays, and much has changed since then. Awards, competitors, and even the track itself has changed since the original Relays in 1895. Despite many changes, ...

This chapter covers representative general-purpose relays used in the control circuits of most industrial, commercial, and consumer products. Relay names and terminology are in accordance with ...

The relay's primary appeal is its ability to do a lesser-switch's bidding but it's capable of so much more. Relays can be wired together to create very useful, simple, and utterly reliable networks.

Here’s the schedule for the final day of competition at the '25 Penn Relays presented by Toyota. The event is being held at Franklin Field in Philadelphia. Each year for the Penn Relays, thousands of ...

Tickets for the World Athletics Relays Gaborone 26 are now on general sale, as the eyes of the sporting world are turning towards Botswana ...

The reed relay was invented in 1936 by Bell Telephone Laboratories. Since that time, it has gradually evolved from very large, relatively crude parts to the small, ultra-reliable parts we have today.

As automation expands, mechanical functions are relying more and more on electronic control. Solenoids provide an electromechanical interface for many of these applications. In addition, many ...