Perpetual Motion Magnetic Machine (PM3) by K_Pullo (Popularity: )

This is a design of a perpetual motion machine that uses permanent magnets. It is ...
Category: Science\Technology\Energy\Unproven Concepts

Xinventions (Popularity: )

A site devoted to pyrotechnics and explosives.
Category: Science\Technology\Pyrotechnics\Explosives

Taylor Devices, Inc. (Popularity: )

Promotes its products for energy absorption, motion control, impact reduction, controlled deceleration, rate control, machinery ...
Category: Science\Technology\Structural Engineering\Earthquake Engineering

Time Travel Portal (Popularity: )

A forum about time travel.
Category: Science\Physics\Relativity\Time Travel

David Lock Associates (Popularity: )

Specialist urban design consultancy based in Melbourne, Australia providing plans, strategies, and studies throughout Australasia.
Category: Science\Social Sciences\Urban and Regional Planning\Consultants

McAllister Technical Services (Popularity: )

Manufacturers of surface analytical instruments and devices.
Category: Science\Instruments and Supplies\Laboratory Equipment

PLL Dynamics (Popularity: )

Developing better performance Phase Lock Loops for satellites, cellulars and wireless applications demanding high performances.
Category: Science\Technology\Electronics\Signal Processing

Phoenix Metal Products (Popularity: )

Manufacturer of stackable, steel, microscope slide storage cabinets for storage, filing and retrieval of 1x3 ...
Category: Science\Instruments and Supplies\Laboratory Equipment

Industrial Archaeology Video Archive (Popularity: )

Record past and present industrial activity on film and video for posterity.
Category: Science\Social Sciences\Archaeology\Periods and Cultures