Wind-Up Universal Remote Control

by Justin Thomas •

This is a remote control that you can charge by turning a small hand crank — thus eliminating the need for batteries. You can control six different devices with the remote, including your television, DVD player, VCR, cable, satellite, and an auxiliary module. The wind-up generator requires only 30 revolutions for a full charge, which will last seven days. It’s …


Presso: A Non-Electric Espresso Maker

by Justin Thomas •

The Presso is a manually operated espresso machine — no electricity is required. You make an espresso by adding hot water and ground coffee at the top. When you press down on the levers, the pressure pushes the water through the coffee, and it is deposited in your cup. You can make either a double espresso or two single espressos …


MetaEfficient: Hand-Crank Coffee Grinders

by Justin Thomas •

Grinding coffee by hand has a few advantages: it’s quiet, it yields a more uniform grind, and you can take them camping. You can find hand-cranked grinders at Amazon.