http://www.plime.com/plime-com/en-ushttp://www.plime.com/plime-com/http://www.plime.com/plime-com/l/19154/1/http://www.plime.com/plime-com/l/51016/1/
Instead it could provide a renewable energy source to power office lighting or laptops - and it may be possible to recharge your mobile phone by walking to the photocopier."

I searched for "stairs" on the plime search engine, and it only seemed to catch around nineteen hits. So I guess this one's good. :)]]>http://www.plime.com/plime-com/l/11041/1/
also see here]]>http://www.plime.com/science/l/49338/1/http://www.plime.com/science/l/63197/1/http://www.plime.com/entertainment/l/48230/1/http://www.plime.com/plime-com/l/16788/1/captured by NASA’s Hubble telescope,
open new vistas into the expansion
history of the early universe. As early
as 9 billion years ago, a mysterious
repulsive force known as dark energy
is seen exerting its influence.
Even weirder than dark matter—the invisible stuff constituting most of the mass of the universe—is dark energy, a mysterious force pushing the universe apart at an ever-faster rate.]]>http://www.plime.com/science/l/29182/1/http://www.plime.com/plime-com/l/41718/1/http://www.plime.com/science/l/71123/1/http://www.plime.com/science/l/52511/1/
Way to go, UK!]]>http://www.plime.com/science/l/47171/1/http://www.plime.com/plime-com/l/26114/1/http://www.plime.com/entertainment/l/50344/1/http://www.plime.com/plime-com/l/44364/1/http://www.plime.com/world/l/52550/1/http://www.plime.com/science/l/45508/1/http://www.plime.com/science/l/50490/1/http://www.plime.com/plime-com/l/38797/1/http://www.plime.com/science/l/36556/1/