The best humidifiers of 2025, tried and tested

Having the best humidifier in your home benefits your health and wellness. We tested 5 popular models and found three worth your hard-earned money.

Miss your Xperia Play? You need to see this magnetic sliding Bluetooth controller

MCON is a sliding Bluetooth controller that turns any phone into an Xperia Play, and it's now available for pre-order.
IEEE

Neural Network Fractional Order Sliding Mode Control of DC-DC Buck Converter

Abstract: In this paper, a double hidden layer recurrent neural network fractional order sliding mode control (DHLRNNFOSMC) based on a finite time disturbance observer (FTDO) is designed for a DC-DC ...
Investopedia

Does It Still Pay To Invest in Gold?

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...