Take tape measures, once a palm-sized object that housed a metal ribbon that could snap back enthusiastically -- has been transformed into a palm-sized device with with a laser inside. Yup, the ...

Our phones are all-in-one solutions for managing our personal lives, so can they also replace a bag of tools? We decided to ...

Whether you’re a DIYer installing crown molding, a woodworker tackling tricky angles on a custom bookshelf, or a contractor ...

Abstract: Compared with traditional vibration measurement sensors, visual vibration displacement measurement technology has many advantages, such as long distance, non-contact, and non-interference.

Abstract: Leaf base and inclination angles are two critical 3-D structural parameters in agronomy and remote sensing for breeding and modeling. Terrestrial laser scanning (TLS) has been proven to be a ...

Chest straps come in two varieties: electrical and optical. When I say a chest strap is more accurate than a watch, I'm talking about the electrical kind. These use electrodes that contact your skin, ...