These are typically magnetic switches that break an electrical circuit when the two parts separate, which will trigger the alarm,” Milne ... to changes to heat and light, or the movement of ...

Siren Alarm Pro, a pioneering platform in the home security landscape, introduces its latest innovation - the Solar Security Light Alarm. DALLAS, TX / ACCESSWIRE / February 2, 2024 / To address ...

and in turn make the light 10 times more magnetic. This breakthrough could lead to the creation of technologies like magnetic lasers that can leverage strong magneto-optical interactions.

The trouble with alarm clocks is they wake everyone up ... A new gadget aims to avoid this by sending a beam of light and sound directly, and only, to the person who needs to get up.