'Invisible key' invented by Taiwan scientists

A team of Taiwanese researchers have developed an "invisible key" technology which allows users to unlock their doors by means of simple hand gestures, the head of the team said Monday.

Personalized 3-D avatars for real life

An avatar is really no more than a graphical representation, generally human, which is associated with a user for identification purposes. Avatars can be either photographs or art drawings, and certain technologies enable ...

HTC launches 3D smartphone in Taiwan

Taiwan's leading smartphone maker HTC Wednesday launched its first 3D cellphone onto the local market, picking what a local telecom operator said was an opportune time ahead of the iPhone 5.

Coherent diffractive imaging in living color

(PhysOrg.com) -- Exactly 150 years after the first color photograph was produced, scientists have devised a way of employing the full spectrum of colors from synchrotron and free-electron laser x radiation to image nanometer-sized ...

Making holograms look more real

(PhysOrg.com) -- Although human vision is capable of perceiving objects in three dimensions (3D), we spend much of our day looking at two-dimensional screens. The latest televisions and monitors can trick us into perceiving ...

TV broadcasting in 3-D

The market for consumer 3D television sets is expanding at the enormous pace of a 75% annual growth rate, following the trend for popular movies shot in 3D. With this rapidly growing market, comes the need for standardization ...

Miracle material: Graphene

(PhysOrg.com) -- In the 19th century novel, Flatland, by Edward A. Abbott, residents of that fictional country exist in only two dimensions. Women are born as line segments, while men come in a range of geometric shapes reflecting ...

The search serpent: The next wave in robotics

How does one design a robot that maneuvers in three dimensions and navigates all manner of terrain? Those are the main challenges that Howie Choset at Carnegie Mellon University is attempting to tackle.

Scientists suggest spacetime has no time dimension

(PhysOrg.com) -- The concept of time as a way to measure the duration of events is not only deeply intuitive, it also plays an important role in our mathematical descriptions of physical systems. For instance, we define an ...

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