Wisconsin among states asking judge to reverse changes at US Postal Service

A group of states suing over service cuts at the U.S. Postal Service is asking a federal judge to immediately undo some of them, saying the integrity of the upcoming ...

Inside the U.S. Post Office’s revolution, by foot, horseback, and helicopter

In 1954, the USPS was looking for innovative ways to process the 54 billion items mailed. National Geographic traveled to ...

Postal Service’s proposed restrictions on mail-in voting blocked

A federal judge has halted the U.S. Postal Service’s proposed changes to its mail-in ballot delivery procedures, dealing ...
IEEE

General Design Framework for Pole-Changing Line Start Permanent Magnet Synchronous Machines

Abstract: Dual-pole line-start permanent magnet (LSPM) synchronous motors are well-suited for applications such as air coolers, pumps, and compressors, where two distinct operating speeds are required ...