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World's largest touchscreen
People impressed by the screen real estate offered by the Apple iPad need to check out the Reality Touch Theatre, described as the world's biggest touchscreen interface.
Unveiled in February the touchscreen, based at the University of Groningen in Holland, is based on a cylindrical 3D theatre that has been upgraded to be able to process more than 100 touches at any one time.
Get hands on with the world's largest touchscreen at Photos: World's largest touchscreen powers up.
Photo: University of Groningen
Android marketing madness at Mobile World Congress
It was hard to get away from Google's Android mobile OS at the Mobile World Congress in Barcelona this year - with the green robot looming large over this year's show.
If the posters or giant Android models didn't take delegates' fancy then there was even a giant Android slide for them to try out.
See more pictures of the Google's Android take-over at Photos: Google Android marketing madness at MWC.
Photo: Natasha Lomas/silicon.com
Virtual reality headset
This retro-futurist looking get-up is part of a Swiss research project into how virtual reality affects people's perceptions of themselves.
As part of the research project taking place at the École Polytechnique Fédérale de Lausanne (EPFL), test subjects, pictured in February this year, wear a virtual reality headset that immerses them in a variety of 3D environments where they interact with different avatars. Electrodes strapped to their head monitor their brain activity in an attempt to gauge the subject's reactions.
Explore more images of the project at Photos: Virtual reality, avatars probe consciousness.