The age of speed
Monday, February 9th, 2009For a while now everybody is talking about this century as being the age of speed, but most of us don’t even begin to imagine how fast technology is evolving.
Who would have thought even a year and a half ago that we would be able to use a table in order to plan a project; or split a bill in the restaurant; or even share photos between devices; or plan a trip. Microsoft Surface is able to do this and much more.
At the same time who would have imagined that we are this close to discovering teleportation?
According to LiveScience, a team of scientists from the University of Maryland have come pretty close to achieving Star Trek’s main way of transportation: teleportation. So far they achieved to transport the information from one atom to another across a distance of a meter.
The JQI team explains that teleportation works because of a remarkable quantum phenomenon called entanglement that only occurs on an atomic or subatomic scale.
The experiment that they conducted uses two identical ions (A and B). Ion A is afterwards irradiated; a process that can be explained as “writing in its memory the information that will be teleported”. Immediately after, both ions are “excited by a picosecond laser pulse” in order for each of them to emit a photon.
The photons are then captured by a lens and they will interact at a beamsplitter. When both detectors recorded a photon simultaneously, the ions are entangled. At that point, ion A is measured, revealing exactly what operation has to be performed on ion B to teleport ion A’s information (see illustration).
It is important to note that the information disappears from ion A when this one is being measured and appears on ion B. This is why the achievement is distinguished from any other kind of communication and is classified as teleportation.
You can find out more about this achievement in the original article from LiveScience: “Teleportation Milestone Achieved”
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