5 cool retro gadgets from Amazon that are actually useful

These cool retro devices were once household staples and proved incredibly useful in people's day-to-day lives, but now you ...
Design And Reuse

Creating a Frequency Plan for a System using a PLL

Perceptia Devices is an IP and design services provider, based in Sydney, Australia and Silicon Valley. It is focused on PLLs for RF systems and demanding clocking applications. Perceptia offers a ...

Today's NYT Connections Hints (and Answer) for Saturday, February 7, 2026

If you’re looking for the Connections answer for Saturday, February 7, 2026, read on—I’ll share some clues, tips, and strategies, and finally the solutions to all four categories.
IEEE

Voltage Control via Tap-Changing Transformer Using the Holomorphic Embedding Load Flow Method Based on Total Multiplication of Polynomials

Abstract: This paper presents an innovative strategy for voltage control in electric power systems by integrating tap-changing transformers with the Holomorphic Embedding Load Flow Method based on ...
IEEE

High-Performance Matrix Multiplication Using Block Parallelization on CPU and GPU

Abstract: This paper examines the performance issues associated with computing devices performing arithmetic operations on large matrices. One of the optimal methods for matrix multiplication is to ...