Our research shows that you can find a quick-to-sound, reliable smoke or heat alarm for around £20. But our tests have also uncovered some models that don't do the job. How our tests find you the best ...

High Point firefighters emphasize the critical need for smoke alarms in homes after a deadly fire on Barbee Avenue.

Some sensors, such as the smoke/heat/freeze detector, are always armed and will ... and its image sensor enables it to offer 3x optical zoom with 10x digital zoom. It carries an IP65 ...

How do I sign up for the Sound the Alarm event? Residents can sign up for a smoke alarm replacement at ... in the sun or near an open flame or heat source. Many items that are plastic, foam ...

The fire alarm kept ringing till 3pm on Tuesday ... in the building fueled the fire’s ferocity. The intense heat and smoke in a contained space with poor ventilation made fighting the ...

In modern, advanced fire detection installations heat detection is achieved through thermal imaging by using infrared (IR) detection technology. In contrast to detecting smoke or a fire, the ...

These methods detect physical changes in samples when they absorb mid-infrared (MIR) light, such as shifts in refractive index caused by heat absorption or temperature-induced acoustic signals.

Not sure whether a DSLR or mirrorless camera fits your needs? Here's a side-by-side comparison to guide your next upgrade.

Prisma Photonics uses preexisting fiber-optic cables to detect disruptions across thousands of miles of high-voltage ...