Researchers at Harvard University have made a shoebox-size sensor that could be used to detect extremely low concentrations of a broad variety of chemicals. The heart of the sensor is an array of tiny ...

image: Physicists have developed a method for drastically narrowing the emission spectrum of an ordinary diode laser, like that in a laser pointer, for use in compact chemical analyzers that can fit ...

When you need to spray your yard or a landscaping area with chemicals, people frequently opt for a pump tank sprayer. These tools work well for spraying your yard for ticks or weeds. Though sometimes ...