News tagged with refraction

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

Scientists reverse Doppler Effect

(PhysOrg.com) -- Researchers from Swinburne University and the University of Shanghai for Science and Technology have for the first time ever demonstrated a reversal of the optical ‘Doppler Effect’ ...

Mar 07, 2011
4.6 / 5 (15) 1 | with audio podcast