A4 Tech offers personal computer peripherals with unique innovative technology. A4 Tech has the latest in Optical technology, using these engines in most of the latest mouse products. A4 Tech makes many different shapes and sizes of pointing devices. A4 Tech’s products and service are worldwide. A4 Tech believes that the expansion into the global market is an essential link between product and people.

Optical illusions, 3D stereograms and anaglyphs, fractals and brain teasers

Extensive mineral database containing crystallography, chemical composition, physical and optical properties, Dana classification, Strunz classification, mineral name origins, mineral locality information, and alphabetical listing of all known valid mineral species.

Online resource on optical, photonic, imaging, electronic, and optoelectronic technologies.

Nidec Corporation, engages in the design, development, manufacture, and marketing of small precision motors, mid-size motors, machinery, and electronic and optical components. Its small precision motors include spindle motors for computer hard disk drives, motors for optical disk drives, and small precision fans and other small motors. The company's mid-size motors are used in automobiles, various electric household appliances, and industrial equipment. Nidec's machinery products comprise power ...

A.T. Cross Company engages in designing and marketing various personal accessories. The company operates through two segments: Writing Instruments and Accessories, and Optical. The Writing Instruments and Accessories segment manufactures and markets ball-point pens, fountain pens, selectip rolling ball pens, and mechanical pencils under the Cross brand name, as well as various refills for its products. This segment also designs and markets writing instruments under the Penatia and Omni by Cross ...

Funny videos, flash games, clean jokes, clean humor, hilarious flash, funny pics, office humor, prank phone calls, flash cartoons, funny animation, optical illusions, parody and more.

Agilent's electronic measurement business provides standard and customized electronic measurement instruments and systems, monitoring, management and optimization tools for communications networks and services, software design tools and related services that are used in the design, development, manufacture, installation, deployment and operation of electronics equipment and communications networks and services.