Sentences with phrase «use polarisation»

Scientists have discovered that greater mouse - eared bats use polarisation patterns in the sky to navigate — the first mammal that's known to do this.
«We know that other animals use polarisation patterns in the sky, and we have at least some idea how they do it: bees have specially - adapted photoreceptors in their eyes, and birds, fish, amphibians and reptiles all have cone cell structures in their eyes which may help them to detect polarisation,» says Dr Richard Holland of Queen's University Belfast, co-author of the study.
Scientists have even shown that dung beetles use the polarisation pattern of moonlight for orientation.
Much like Nokia's ClearBlack tech, the Cupertino - based company has used a polarisation filter to reduce the glare.

Not exact matches

A team of astrophysicists had used the BICEP2 South Pole telescope to identify a pattern in the polarisation maps of the cosmic microwave background radiation (rather like an echo of the Big Bang).
He noted that, «Military adventurists have often used the excuse of political polarisation to destabilise democratically - elected governments but that was often a smokescreen to avoid wider accountability.»
In addition to the observations with the SINFONI instrument the team has also made a long series of measurements of the polarisation of the light coming from the supermassive black hole region using the NACO instrument on the VLT.
The new study shows the shrimp use circular polarisation as a means to covertly advertise their presence to aggressive competitors.
Now a team has used data from the Integral satellite, run by the European Space Agency (ESA), to study an entirely different effect: the polarisation of light of different energies from a GRB.
Mick Gleave of the BBC's engineering information department says: «If you use right - hand circular polarisation, the reflection becomes left - hand polarised, so you can distinguish the direct and reflected signals.»
More recently, the BBC has been using antennas which transmit circularly polarised signals, in which the direction of polarisation rotates over time.
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