RO&AD, an architectural firm whose name sounds very much like a quote from an intoxicated Chris Farley, recently designed The Trench Bridge. A pedestrian foot path designed to make us rethink the way we look at bridges, this one crosses the moat in front of Fort de Roovere in Halsteren. A neat concept, but one that would only be applicable on a small scale to bodies of water that stay at a constant depth.
Instructables user cbaabc73 came up with a cheap and easy way to turn off outlets when you aren't using them. He built it after noticing his wife kept leaving the curling iron plugged, which can be extremely dangerous. This DIY project takes only basic tools without the use of soldering.
The Hungarian Forint is used in very large quantities ($1 USD = 218 Ft) so the government recycles a few tons of it every year. After shredding it and bundling it into bricks, the currency is shipped to charitable organizations to help with their heating cost.