South-Korean product designer Hanyoung Lee has come up with a safety device that could make traffic lights obsolete, or at least improve their effectiveness. His so-called Virtual Wall is designed for busy city streets.

Instead of showing a red light when it's time for pedestrians to cross the street, Lee's Wall projects a curtain-like, two-dimensional image of giant people crossing the street. The real pedestrians walk behind their virtual counterparts.

South-Korean product designer Hanyoung Lee has come up with a safety device that could make traffic lights obsolete, or at least improve their effectiveness. His so-called Virtual Wall is designed for busy city streets.

Instead of showing a red light when it's time for pedestrians to cross the street, Lee's Wall projects a curtain-like, two-dimensional image of giant people crossing the street. The real pedestrians walk behind their virtual counterparts.

Summer music festivals tend to create recurring, short-term demand for accommodations, as we noted last year when we wrote about Boutique Camping. Now a new, student-invented contender also in the UK offers two-person festival tents made from recyclable materials.

Summer music festivals tend to create recurring, short-term demand for accommodations, as we noted last year when we wrote about Boutique Camping. Now a new, student-invented contender also in the UK offers two-person festival tents made from recyclable materials.

The Retriever is a two-wheeled towing vehicle based on a Honda Goldwing motorcycle that can worm its way through city gridlock and congested highways like no four-wheeled towing vehicle could ever dream of. The Retriever is the ingenious invention of the aptly named Swedish firm Coming Through.