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This article explores the history of the terms atlas and talus and discusses the unexpected implications of their use in human anatomy. Renaissance anatomists decided to call the first cervical vertebra the atlas. But the name atlas was first used by the ancient Romans for the seventh cervical vertebra. The most common explanation why the first cervical vertebra is called atlas is that the vertebra...
We have developed a microfluidic platform to immobilize single living cells at a position in a microfluidic channel for monitoring cell responses to different stimuli over time. While the cell is trapped, the device maintains control over changing the channel media and flow rate. The captured cell may be released in order to capture another cell and repeat the experiment without disturbing the setup...
Through systematic experiments and stochastic modeling we demonstrate that cell motility can be guided by optical torques exerted by the light polarization. This torque affects the actin network which is responsible for cell's movement.
Coherent thermal emission from an anisotropic microstructure upon SiC is presented. The enhanced coherency is due to coupled resonant cavities supported by surface phonon-polaritons. A quality-factor 600 and an angular divergence of 1.4 mrad are obtained.
We propose a general approach for coupling a free space uniformly polarized beam to a desired hollow waveguide mode, thus enabling a single mode operation. Required polarization manipulations are achieved by inhomogeneous anisotropic subwavelength structures.
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