Abstract: Hemodynamic monitoring system is presented. In one embodiment, a system for non-invasive monitoring of a subject's heart includes an RF transmitting antenna. The RF transmitting antenna is configured for transmitting at least one transmitted RF signal toward the subject. The system also includes an RF receiving antenna. The RF receiving antenna is configured for receiving at least one received RF signal transmitted by the RF transmitting antenna and modified by a subject's body. The RF transmitting antenna and the RF receiving antenna are located on opposing sides of a planar projection of the subject's heart. The system also includes a processing circuit configured for: controlling transmitting and receiving of the RF signal, and determining, based on the at least one received RF signal, at least one physiological parameter of the subject.

Abstract: A fluid control system includes a dielectric-barrier discharge (DBD) device, and processing circuitry. The processing circuitry is configured to obtain a streamwise length scale of a fluid flowing over a surface. The processing circuitry is also configured to obtain a convective time scale of the fluid flowing over the surface. The processing circuitry is also configured to operate the DBD device, based on the streamwise length scale and the convective time scale, to adjust a flow property of the fluid.

Abstract: A micro impulse radar (MIR) system includes art MIR transceiver circuit configured to transmit, towards a subject, at least one transmitted radar signal, and receive at least one radar return signal. The system includes a control circuit configured to generate a control signal defining a radar signal parameter of the at least one transmitted radar signal, provide the control signal to the MIR transceiver circuit to cause the MIR transceiver circuit to transmit the at least one transmitted signal based on the radar signal parameter, and determine, based on the at least one radar return signal, a physiological parameter of the subject.

Abstract: A micro impulse radar (MIR) system includes an MIR transceiver circuit configured to transmit, towards a subject, at least one transmitted radar signal, and receive at least one radar return signal. The system includes a control circuit configured to generate a control signal defining a radar signal parameter of the at least one transmitted radar signal, provide the control signal to the MIR transceiver circuit to cause the MIR transceiver circuit to transmit the at least one transmitted signal based on the radar signal parameter, and determine, based on the at least one radar return signal, a physiological parameter of the subject.

Abstract: A system includes a surface, an actuator, and processing circuitry. The surface includes one or more non-actuating zones and one or more actuatable zones. The actuator is configured to a flow property of a fluid that flows over the one or more actuatable zones of the surface. The processing circuitry is configured to obtain a value of a parameter of the fluid that flows over the surface, and operate the actuator to adjust the flow property of the fluid that flows over the one or more actuatable zones based on the value of the parameter of the fluid.

Abstract: A system includes a surface having a fluid flowing over the surface. The fluid includes a flow regime having a streamwise length scale greater than about 100 times ? and less than about 100,000 times ?, where ? is a viscous length scale of the flow regime, and a convective time scale greater than about 10?? and less than about 10,000??, where ?? is a viscous time scale of the flow regime. The system includes a controller that causes at least one of motion the surface to modify fluid flow in the flow regime based on the streamwise length scale and the convective time scale or motion of the flow regime based on the streamwise length scale and the convective time scale.

Abstract: Systems and methods are described herein to implement transverse momentum injection at low frequencies to directly modify large-scale eddies in a turbulent boundary layer on a surface of an object. A set of transverse momentum injection actuators may be positioned on the surface of the object to affect large-scale eddies in the turbulent boundary layer. The system may include a controller to selectively actuate the transverse momentum injection actuators with an actuation pattern to affect the large-scale eddies to modify the drag of the fluid flow on the surface. In various embodiments, the transverse momentum injection actuators may be operated at frequencies less than 10,000 Hertz.

Abstract: A fluid control system includes a deformable surface that covers a body in at least a first and second direction. The first direction is orthogonal to the second direction. The deformable surface includes a bottom side that faces the body and a top side that is opposite the bottom side. The fluid control system also includes at least one deformer between the deformable surface and the body. The at least one deformer is configured to modify a boundary layer of a fluid that is flowing over the deformable surface by selectively deforming the top side of the surface.

Abstract: An apparatus, method, computer program product, and/or system are described that determine an event, actuate a cushioning element in response to the determining the event, the cushioning element including one or more tension-bearing members, and dissipate at least some of an energy associated with a collision based on deforming at least one of the tension-bearing members during the collision, the deforming including substantially inelastically stretching the at least one of the tension-bearing members. Other example embodiments are also provided relating to actuatable cushioning elements.

Abstract: Disclosed embodiments include perovskite scintillators configured to be operated at a low temperature, detectors with perovskite scintillators configured to be operated at a low temperature, scanners with perovskite scintillators configured to be operated at a low temperature, methods of cooling a perovskite scintillator to a low temperature, and methods of configuring a perovskite scintillator to be operated at a low temperature.

Abstract: Methods and systems for monitoring sterilization status are provided.

Abstract: A fluid control system includes a dielectric-barrier discharge (DBD) device, and processing circuitry. The processing circuitry is configured to obtain a streamwise length scale of a fluid flowing over a surface. The processing circuitry is also configured to obtain a convective time scale of the fluid flowing over the surface. The processing circuitry is also configured to operate the DBD device, based on the streamwise length scale and the convective time scale, to adjust a flow property of the fluid.

Abstract: Devices, compositions, and methods are described which provide a tubular nanostructure or a composite tubular nanostructure targeted to a lipid bilayer membrane. The tubular nanostructure includes a hydrophobic surface region flanked by two hydrophilic surface regions. The tubular nanostructure is configured to interact with a lipid bilayer membrane and form a pore in the lipid bilayer membrane. The tubular nanostructure may be targeted by including at least one ligand configured to bind to one or more cognates on the lipid bilayer membrane of a target cell.

Abstract: The present disclosure relates to sterilization methods and systems that may be used within numerous contexts, such as health-care and manufacturing facilities.

Abstract: A fluid control system includes a deformable surface that covers a body in at least a first and second direction. The first direction is orthogonal to the second direction. The deformable surface includes a bottom side that faces the body and a top side that is opposite the bottom side. The fluid control system also includes at least one deformer between the deformable surface and the body. The at least one deformer is configured to modify a boundary layer of a fluid that is flowing over the deformable surface by selectively deforming the top side of the surface.

Abstract: Disclosed embodiments include methods, computer program products, and systems. Given by way of example only and not of limitation, in various embodiments a method includes: determining an event; actuating a cushioning element in response to the determining the event, the cushioning element including one or more tension-bearing members; and dissipating at least some of an energy associated with a collision based on deforming at least one of the tension-bearing members during the collision, the deforming including substantially inelastically stretching the at least one of the tension-bearing members.

Abstract: Carbon nanotube template arrays may be edited to form connections between proximate nanotubes and/or to delete undesired nanotubes or nanotube junctions.

Abstract: An electrochemical device (such as a battery) includes at least one electrode having a fluid surface and one or more sensors configured to detect an operating condition of the device. Fluid-directing structures may modulate flow or retain fluid in response to the sensors. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support.

Abstract: Systems and methods for dynamically defending a site from lightning strikes are provided. The systems and methods involve dynamically altering electrostatic fields above the site and/or dynamically intervening in lightning.

Abstract: Systems and methods for dynamically defending a site from lightning strikes are provided. The systems and methods involve dynamically altering electrostatic fields above the site and/or dynamically intervening in lightning.