College kids’ math skills worse than ever, California finds — blame our pass-the-buck public schools

America has plenty of talented people — but a UC San Diego study finds our schools are failing to educate them. And everyone ...
ZME Science

How To Solve Any Problem Using Enrico Fermi’s Back-Of-The-Envelope Math (And Some Common Sense)

In 1945, as the first atomic bomb exploded in the New Mexico desert, Enrico Fermi stood miles away, holding a few scraps of paper. As the shockwave rolled toward him, he dropped the papers and watched ...
IEEE

A 28-GHz Variable-Gain Phase Shifter With Phase Compensation Using Analog Addition and Subtraction Method

Abstract: In this letter, a 28-GHz variable-gain phase shifter (VG-PS) with phase compensation designed using a Gilbert-cell-based vector summation amplifier integrated with a current-type ...
IEEE

Zero-Sequence High Frequency Voltage Injection-Based Sensorless Method for Open Winding PMSM Drives with Common DC Bus

Abstract: This paper proposes a sensorless method for open winding permanent magnet synchronous machine drives with common DC bus utilizing zero-sequence high frequency (HF) voltage injection. The ...
TheCable

English, mathematics still core SSCE subjects despite new admission policy, FG clarifies

The federal government has clarified that mathematics remains a compulsory subject for all candidates sitting for the Senior School Certificate Examination (SSCE), despite the recent review of Nigeria ...