In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist ...
Daily Star on MSN
Scientists create shape-shifting Terminator robots that can change from liquid to solid
Move over robot fingers - boffins have invented a real shape-shifting Terminator that can transform from liquid to solid.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback