Barometers are one of the most important tools in weather prediction, measuring air pressure to help determine the forecast. This photo showcases simple barometers with a white face and black needle gauge in a barometer factory.
Embroidery machines decorate fabrics with a needle and thread. Learn about embroidery machine products here and find links to supplies of machine embroidery equipment and accessories.
Glowing urine may replace the biopsy needle: In detecting organ transplant rejection, a new nanoparticle has proven much faster and more thorough in the lab than a biopsy. ...
Science Daily. Tue, 19 Feb 2019 17:01:13 EST.