Red bricks can be used as battery-like energy storage devices
Turning walls into supercapacitors
Sony's DualShock 4 is a really good controller that can double as your full-time PC gamepad as well. If you have an aging DS4, you may have noticed that it does not hold a charge as long as it once did. In this guide, we'll show you how to save over 70% by replacing your DualShock battery yourself.