Are you short on funds but still want to spread tech joy this holiday season? These great gadgets are all 50 bucks or less.

A peak flow meter is a handheld device that measures airflow rate and can help those with respiratory conditions like asthma ...

Abstract: Remote sensing has already proved to be of great importance to agriculture and irrigation monitoring, allowing the acquisition of a wide array of data over large areas through a variety of ...

Many transmitter sites use big floodlight bulbs, typically mounted deep in their fixtures, John Bisset explains. What's the ...