Creating 3D sculptures from 2D video and other news.

BBC Click’s Stephen Beckett looks at some of the week’s best technology stories including:

• The world’s first hydrogen powered train takes to the rails in Germany

• A junk hunting satellite has captured space debris for a first time

• MIT’s CSAIL Lab has revealed research to create 3D motion sculptures from two dimensional video

See more at Click’s website and @BBCClick.