When [upir] saw that you could buy tire valve stem caps that read pressure electronically, he decided to roll his own Tire ...

A protein-based biosensor measures cortisol with high accuracy. Smartphone compatibility makes stress testing more accessible. Cortisol plays a key role in regulating essential body functions such as ...

Smart plugs are a simple, affordable way to upgrade your home - they're easy to set up and use. Here are a few smart ways to automate your space with them.