The O2 Arena in London and Boeing's Everett factory in Washington are among the largest buildings in the world – one houses tens of thousands of spectators at a time, and the other is constantly…
Tag Archive: Energy saving
We've all heard of planes without pilots. But planes without petrol? If it sounds like an environmentalist's dream, that's probably because that's just how it started. But this year, that dream might start setting records.
02 Apr 2015