At least 100 people are killed by rip currents every year. Here's what you need to know about how to spot them and what to do if you're caught.

Around 100 people still drown in rip currents annually across the country. How to Survive a Rip Current To make it out of a rip current, experts say the first rule is simple: stay calm.

Alternating current (ac) or direct current (dc) circuits are capable of carrying very different currents, as illustrated by the ratings on the switch in Figure 1. This is why it’s so important ...

Hurricane Erin won't make landfall in the U.S., but it will bring dangerous rip currents to the East Coast.