Last December, the Australia-based company Invetech reported that it had delivered the world's first production model 3-D bio-printer for Organovo.

VOA: special.2010.10.19

Still,the Consumer Electronics Association predicts that more than four million 3-D TV sets will be sold this year.

VOA: special.2010.01.26

The huge popularity of 3-D films like "Avatar," "Up" and "Monsters vs.Aliens" has many people willing to buy this costly, developing technology.

VOA: special.2010.01.26

For people interested in new technology, a New York based company,Makerbot, sells kits to people who want to build a small 3-D printer.

VOA: special.2010.10.29

The 3-D movie "Up" tells about an old man and a young boy who have exciting adventures.

VOA: special.2010.03.01

If you have seen a 3-D movie, you already know that you need special eyeglasses to watch.

VOA: special.2010.01.26

But 3-D TVs are expected to cost a lot with one selling for several thousand dollars.

VOA: special.2010.01.26

She says 3-D televisions promise to bring the intense experience from movie theaters to the home.

VOA: special.2010.01.26

The company announced last year that it would only make 3-D films in the future.

VOA: special.2010.01.26

And,television networks ESPN and Discovery Communications say they plan to operate television channels in 3-D.

VOA: special.2010.01.26

The latest 3-D TVs work by dividing picture images in two,one for each eye.

VOA: special.2010.01.26

So each eye sees a slightly different image, producing the 3-D effect.

VOA: special.2010.01.26

There were even 3-D TVs that require no glasses at all.

VOA: special.2010.01.26

We start with the 3-D science-fiction adventure movie "Avatar."

VOA: special.2010.03.01

Some 3-D TVs do not require special glasses.

VOA: special.2010.01.26

One 3-D technology uses low-cost polarized glasses.

VOA: special.2010.01.26

The 3-D science fiction adventure movie,"Avatar,"

VOA: special.2010.01.01

No matter,3-D is here to stay. Experts predict that 3-D television will be a major trend in about five years.

VOA: standard.2010.02.21

(Speaking) But a study at the University of California Berkeley found that 3-D movies can cause eye strain.

VOA: standard.2010.02.21

Avatar,the biggest box office success in history, has opened the door for 3-D TV.

VOA: standard.2010.03.11

Martin Banks, a professor of optometry at Berkeley, says 3-D doesn't allow our eyes to follow the rules because we're focusing on things both far and near at the same time.

VOA: standard.2010.02.21

The Secretary of State said she is working to integrate U.S.aid efforts more closely with diplomacy and defense operations abroad without politicizing aid programs saying the "3-D's" - development, diplomacy and defense must be mutually-reinforcing.

VOA: standard.2010.01.06