I finally found an at-home device that alleviates my arthritis in just 20 minutes. Here’s how it works

I tested the Chirp Halo wireless muscle stimulator for two months. Here’s how the at-home EMS and TENS device helped with my chronic pain, plus my honest opinion about it.
Morning Overview on MSN

Yes, you can keep car keys on Android and here’s the setup

Car keys have quietly moved into the same place you already keep your boarding passes, payment cards, and transit tickets: ...
IEEE

Constant Voltage and Constant Current Control Method of Undersea Wireless Power Supply System Based on Frequency Tracking Method

Abstract: This article presents a combined control method of resonant frequency tracking and constant voltage/constant current charging mode for undersea wireless power transfer (UWPT) systems. This ...
IEEE

Model Predictive Control of Wireless Power Transfer System in Seawater Environment

Abstract: Wireless power transfer (WPT)systems have received more and more attention in undersea applications in recent years. The seawater between the transmitter and the receiver is a ...
Jalopnik

What Actually Happens If You Leave Your Key Fob Behind While Driving

Starting your vehicle these days involves considerably more technology than in the days of simply inserting and turning a mechanical ignition key. The physical key has given way to push-button start, ...