News tagged with refractive index

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Biochip-based device for cell analysis

(Phys.org) -- Inexpensive, portable devices that can rapidly screen cells for leukemia or HIV may soon be possible thanks to a chip that can produce three-dimensional focusing of a stream of cells, according ...

May 30, 2012
5 / 5 (2) 0 | with audio podcast

Carbon nanotube forest camouflages 3-D objects

Carbon nanotubes, tiny cylinders composed of one-atom-thick carbon lattices, have gained fame as one of the strongest materials known to science. Now a group of researchers from the University of Michigan ...

Nov 21, 2011
4 / 5 (9) 5 | with audio podcast

Bending light the 'wrong' way

(PhysOrg.com) -- Scientists have tried this with sophisticated meta-materials, but at the Vienna University of Technology (TU Vienna) it has now been done with simple metals; materials with a negative refractive ...

Aug 18, 2011
4.3 / 5 (6) 9 | with audio podcast