You can't put a price on safety, but $19 is extremely reasonable for a product that could save lives. This isn't the absolute ...

Researchers developed a novel low-power gas sensor with a graphene/TiO2 heterostructure, enhancing NO2 detection efficiency ...

Unlike other carbon monoxide detectors, the LSENLTY detector comes with the added benefit of displaying temperature and humidity levels in your home. And with more than 70 per cent of Amazon shoppers ...