The world's first and only commercial wave power plant resembles a 500-foot- (150 meter-) long, 11 foot- (3.5 meter-) wide snake that floats, half-submerged, on the sea surface.
The Thirty Meter Telescope's massive primary mirror has 492 segments, all perfectly aligned to form a 30-meter (98-foot) light-collecting surface.
30米望远镜的巨型主镜分割成了492块，完美地排列从而形成30米(98英尺)的集光面。
3
Thus the main polygonal wall appeared: this 20-meter long curved surface goes through all the open-space zone: entrance hall, tea room, garden, kitchen & dining zone.