The Treasury Department should allow a broader definition of solid-waste materials and disposal processes in regulating the types of facilities that can be financed with tax-exempt bonds, according to ...

A battery that uses a solid electrolyte. Solid state batteries are expected to be the next advance in batteries because they require less built-in safety technology than liquid electrolytes, which are ...

A mathematical technique for representing solid objects. Unlike wireframe and surface modeling, solid modeling systems ensure that all surfaces meet properly and that the object is geometrically ...