This Mexican fire opal looks like a sunset above the clouds when illuminated just right.
Image credit: Jeff Schultz
The Window Socket offers a neat way to harness solar energy and use it as a plug socket. So far we have seen solutions that act as a solar battery backup, but none as a direct plug-in. Simple in design, the plug just attaches to any window and does its job intuitively.
Designers: Kyuho Song & Boa Oh