People living in crowded urban centers will be interested in a remarkable window invented by South Korean researchers. By exploiting some exotic acoustic techniques, the window lets the fresh air flow in while keeping unwanted noise out.
The simple design comes from Sang-Hoon Kima at the Mokpo National Maritime University in South Korea and Seong-Hyun Lee at the Korea Institute of Machinery and Materials, have achieved.
(READ more from MIT Technology Review)