These are the mazing light sculptures by Anthony McCall that form an installation in the Hamburger Bahnhof Museum für Gegenwart in Berlin that he calls "Five Minutes of Pure Sculpture". It is open now and closes on 12th August 2012.
If there is one thing that people know about sculpture, it is that is is made of solid materials. Yet these shapes are formed just of light. But they look solid. And, clean, beautiful... Plus, you can walk into them, through them.
To understand better what is going on -- but mainly because it is so fascinating, enjoyable -- watch this little film:
Thanks to designboom for this story.
Please note that, because of the national celebrations of the 50th anniversary of the accession of our Queen, the UK will be closed on the 4th and 5th June. So there will be no further posts (probably) until the 6th.