The starting point for string theory is the idea that the point-like particles of particle physics can also be modeled as one-dimensional objects called strings. String theorydescribes how strings propagate through space and interact with each other.
A new cycling and pedestrian bridge, the Lille Langebro, has opened in central Copenhagen. Designed by British architecture practice WilkinsonEyre and engineers Buro Happold, the bridge features a slim profile and can open to allow ships to pass through. To learn more about its engineering, visit TheB1M.com/videos.