Laser Spark Plugs Offer Significant Benefits

Japanese researchers have advanced the gasoline engine with a laser powered spark plug. The new ignition method is said to burn cleaner, more efficiently, and doesn't wear out like conventional spark plugs.

Car Engine Powered by Lasers

Interesting Houses Built High in Trees

An unusual twist on houses: fully furnished living spaces built high in the trees! There are many fully functional examples of treehouses in various places of the world.

Many of these homes feature as many amenities as normal housing with highly unique styling and architecture.

• 10 Amazing Treehouses 
• Cool Treehouses from Around the World