A naked flame is a complex soup of ionised gases, that possesses an unexpected property. As you might expect with that much ionisation there is some level of electrical conductivity, but the unusual ...

Motion sensor lights offer secure access and easy movement, both indoors and outdoors Whether you're looking to brighten your pathways or secure your living spaces, our top picks promise to deliver ...

Sometimes we need a non-contact liquid level sensor. There are several ways to build that, but the easiest is to try an optical liquid level sensor. You may already have an idea in mind since you are ...