• By   • Juro Osawa  From Japan Real Time:  From televisions,
video cameras, cellphone displays and videogame consoles, 3-D is
spreading into every category.  Juro Osawa/Dow Jones  In the
near future, it could become a common feature on all kinds of
electronic devices. So what’s next?  NTT DoCoMo Inc. reckons
that the next step is to “feel” 3-D images rather than just look
at them.  The Japanese mobile carrier’s booth at the Combined
Exhibition of Advanced Technologies, or Ceatec, has tiny 3-D
screens on display. Each one, about the size of a mobile
handset, shows a chameleon perched on a tree, which you can see
in 3-D without glasses.  Then you hold a special pen and slowly
move it toward the animal. When the pen comes close, the
chameleon shoots out its tongue. You can feel the tongue hitting
the tip of the pen in your hand.  So how does it work?  The
setup: Behind the display, there are electromagnetic coils, and
hidden behind the table is a large power condenser. When you
hold the pen above the display, b