Singapore to unveil world’s first ‘mechanical forest’ Are massive power-generating supertrees the way of the future? By Tuan C. Nguyen
Video: World’s tallest building could be a 24/7 Australian solar chimney
Video: World’s tallest building could be a 24/7 Australian solar chimney By Mark Halper | January 26, 2012, 8:34 AM PST Bad news for Dubai’s 829-meter high Burj Khalifa. It might lose its distinction as the world’s tallest building, if a bunch of hot air takes root as planned in …