Results 211 to 220 of about 63,875 (265)

Wearable Kirigami‐Apertured Capacitive Sensors for Continuous Cardiac Volumetric Monitoring

open access: yesAdvanced Functional Materials, EarlyView.
A wearable kirigami‐apertured carbon nanotube‐paper composite (K‐CPC) capacitive sensor enables cardiac volumetric monitoring. The kirigami process creates a central aperture with cantilevered fibers that confine the electric field, enhancing both sensitivity and lateral resolution.
Yu‐Jen Cheng   +4 more
wiley   +1 more source

Enable active mobility of untethered miniature robots in high-resistance multiphase medium. [PDF]

open access: yesSci Adv
Xiang Y   +8 more
europepmc   +1 more source

Discontinuous orbital angular momentum metasurface holography. [PDF]

open access: yesNat Commun
Gao X   +7 more
europepmc   +1 more source

On stabilization of rotational modes of an inverted pendulum

Proceedings of the 39th IEEE Conference on Decision and Control (Cat. No.00CH37187), 2002
This paper addresses the problem of stabilization a rotational mode of an inverted pendulum with a prescribed position of the cart. The solution is based on the idea that a desired motion of the inverted pendulum corresponds to some set /spl Gamma/ in the phase space of the system.
Anton S. Shiriaev   +3 more
openaire   +3 more sources

Rotational modes in a slowly and uniformly rotating star

Astrophysics and Space Science, 1981
A perturbation method is derived forr-modes in a slowly and uniformly rotating star. In contrast to previous studies, the perturbation of the gravitational potential is included in the perturbation method. On the assumption that the effects of the centrifugal force are taken into account in the equilibrium model up to the second order in the angular ...
Smeyers, P., Craeynest, D., Martens, L.
openaire   +1 more source

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