First graphene-based solar cells used to power temperature sensors

Researchers at the University of Arkansas and the University of Michigan have reported the first use of ultra-low power ...

How Many Charges Can You Get Out of That Battery Pack? It Depends on What You’re Charging

Your power banks's capacity won’t neatly map onto your charging needs, but finding the right size doesn’t have to be ...

What catalytic converters do and why thieves target them

Catalytic converters are an important part of your car's functioning exhaust system. Here's how they work and why their parts ...
Engineeringness on MSN

How Does This Tiny Part Control Electricity?

There’s a small, silent component hiding in almost every electronic device—from your phone and laptop to your TV and charger.
IEEE

A Synchronized Multiple Bias-Flip Interface Circuit for Piezoelectric Energy Harvesting Using Optimized Switched-Capacitor Arrays

Abstract: This paper introduces a new implementation of the synchronized multiple bias-flip (SMBF) interface circuit for piezoelectric energy harvesting systems. The proposed circuit uses an optimized ...
IEEE

Ecap-less 800V On-board Battery Charger Based on Unbalanced Half-bridge Split Capacitors Power Decoupling Circuit

Abstract: This paper proposed an Electrolytic Capacitor-less (Ecap-less) 800V onboard charger (OBC) based on a Half-bridge Split Capacitors Power Decoupling (HSC-PD) circuit. A new design and control ...