Portable M12 rotary-screw compressors have variable pressures from 70 to 190 psi. The 18-hp unit has a 45 cfm at 100 psi. Features include a power-saving Sigma Profile airend, an air-cooled oil cooler ...

TOKYO -- Startup Helical Fusion has signed an energy deal with a supermarket chain, in a first for Japanese nuclear technology that aims to replicate the power of the sun.

Abstract: There are many instances of helical mechanisms that are used to efficiently grasp different objects with various shapes and sizes in nature. Inspired by the helical grasping in the nature, ...

Abstract: A wideband high-power dual-branch helical reflectarray antenna (RAA) is presented. The reflecting element consists of two metal helical branches, and the variable rotation angles enable full ...