Tvilight is a streetlamp system that brightens in the presence of people , cars and bicycles . Is this a problem ? New system could slash energy bills by 80 % in cities around the world . Score: 6 Artist : `` Imagine ... you have this boulevard of interactive lights ''
Tvilight is a streetlamp system that brightens in the presence of people , cars and bicycles . New system could slash energy bills by 80 % in cities around the world . Score: 6 Artist : `` Imagine ... you have this boulevard of interactive lights ''