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From the Brownian movements of inanimate matter to the swimming motility of bacteria, the world at the micron scale is extremely dynamical. We are interested in the origin, the consequences and the applications of these motions. To study that, we build digital microscopes that integrate optical and computer hardware and where light can be used for imaging, manipulation and fabrication of microsystems in 3D.
|video:||Swimming bacteria pushing 3D printed micromotors|
|press:||Micromotors are powered by bacteria, controlled by light (Phys.org)|
|video:||3D movie of bacteria colliding with a flat wall.|
|press:||Bacteria bounce along walls like flies bounce along a window|
|video:||Self-assembly of a rotating structure.|
|press:||Microgears rotate when pushed by tiny motors (Phys.org)|
Light-absorbing microgears, sitting on a liquid-air interface, can efficiently convert light into rotational motion through a thermo-capillary effect.
|video:||Spinning gears at different light power levels|
Tiny gears increase light-to-work conversion efficiency by five orders of magnitude (Phys.org)
Powering Gears with Light (APS Physics)
|press:||CondMat Journal Club|
|video:||Movie showing two "lightmills" spinning in sync.|