The Best Everyday Tech Accessories You Can Buy in 2026

From wireless chargers and keyboards to smart speakers and streaming devices, here are the best tech accessories to buy in ...
IEEE

Output Power and Efficiency Improvement of a Class C Power Amplifier

Abstract: This paper presents a highly efficient class C power amplifier (PA). The practical current-voltage waveforms at the drain/collector terminal of the package plane deviate significantly due to ...

Lost Unix v4 source code from 1973 recovered from decades-old magnetic tape

Archivist Al Kossow of Bitsavers, who led the technical recovery, described the process as "easy" as such efforts go. The tape, he explained, had "a pretty ...
EDN

Ignoring the regulator’s reference redux

Christopher Paul reviews Steve Woodward’s “Ignoring the regulator's reference” with a few minor tweaks to optimize ...
Scientific Research Publishing

Secure Offline: A Hardware-Bound Cryptographic Framework for Software License Validation in Internet Constrained Educational Environments ()

The system employs HMAC-SHA256 (Hash-based Message Authentication Code using SHA-256) for license integrity verification. SHA-256 refers to the Secure Hash Algorithm producing 256-bit hash values (see ...
How-To Geek on MSN

Linux tools pipe behavior: Is it a bug or feature?

If you have any experience with the Linux command line, you’ve probably used a pipe to solve tasks by combining simple ...