Meanwhile, two whistles usually indicate that a lifeguard is leaving their post to respond to a situation, which then signals other guards to expand their surveillance area. However, it's the ...

Kockum Sonics is a worldwide supplier of alarm signal systems, and provides TYFON train whistles to the railway industry. The TYFON train whistle itself originates from the 1920s and has been used for ...

It looks like Team Trump has decided to try to whistle right past the “Operation ... Atlantic editor Jeffrey Goldberg to a group chat on Signal into which Defense Secretary Pete Hegseth later ...

Their lost-dog data comes from the Whistle app's option to start a "tracking event" — a feature that's purpose-built to help locate lost dogs with real-time GPS signal. Here are the 10 dog ...

But flags aren't the only signals you should be paying attention to. If you're at a beach with lifeguards, you might hear their whistles. Some lifeguards have radios that they use for ...