Split-flap display

src: cdn.instructables.com A split-flap display , or sometimes simply flap display , is an electromechanical display device that presents ch...

Stock management

src: thumbs.dreamstime.com Stock management is the function of understanding the stock mix of a company and the different demands on that s...

Radiography

src: i.ytimg.com Radiography is an imaging technique using X-rays to view the internal form of an object. To create the image, a beam of X-...

HMS Diligent (1777)

src: www.shipmodell.com HMS Diligent was a brig the Royal Navy purchased in 1777. The Continental Navy captured her in May 1779 and...

Psychiatry

src: static1.squarespace.com Psychiatry is the medical specialty devoted to the diagnosis, prevention and treatment of mental disorders. Th...