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Manufacturing Process Supports Cost- Effective TPM Production

Transverse Flux Machines (TFMs) are brushless motors and generators that use permanent magnets. A TFM’s direction of magnetic flux is perpendicular to the direction of force, instead of parallel to it, as in a standard electric motor or generator. The machines are also inherently lighter, smaller, more power dense, and more powerful.

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Land-Intensive Solar Tracker Generates Photovoltaic Power

A solar tracker enables the construction of independent power sources and a micro-grid. The mechanism of the land-intensive system has two independent virtual axes for azimuthal moving and altitude moving. After the solar panel is aligned, the tracker drives it to move from east to west until the amount of change of the Sun’s altitude reaches a specific level.

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Electronic Device Prevents Hearing Loss

MP3 and MP4 players, along with powerful Class-D headphone amplifiers, can cause hearing loss due to a continuously high sound pressure level (SPL). A Hungarian university has developed an electronic device for preventing hearing loss and simulating ear distortion. The invention is a simple module that models the distortion of the human ear and produces natural sound experience with low sound pressure level.

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Palladium Membranes Separate Hydrogen

Compared to conventional technology, palladium membranes offer an increased flow of high-purity hydrogen from a gaseous stream. The membranes are prepared by electroless- deposition plating of Pd (or Pd alloy) on a porous support. The process results in a unique hexagonal structure. High flux translates to smaller separators or lower cost for the same purity of hydrogen.

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Microfluidic System Moves Liquid Without Electricity

Many new devices need to move nano- and micro-scale quantities of liquid from an external source to a sensor. Technology has been developed to transport very tiny volumes of liquids without the need for electricity or other external energy source. The device is especially useful when surface forces overcome the flow in channels, or when high-precision control of rates and volume are needed. The surfaceenergy gradient coating technology produces enhanced capillary action in nano-scale plumbing to move and mix liquids, and to introduce chemicals or biologics for reactions.

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Software Recognizes Amblyopia in Early Childhood

In developed societies, amblyopia (i.e. lazy eye) is a leading cause of permanent vision loss under the age of 30. A research team implemented an electrophysiological method that recognizes the presence or lack of binocularity in children as young as six months of age. The method is also capable of identifying other childhood visual disorders that may potentially lead to amblyopia after age 3.

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Multiple-Input DC Converter Distributes Power from Battery

The Direct Electric Power Converter (D-EPC), a semiconductor switching circuit, controls power distribution among multiple DC power sources without using a DC-DC converter. During every pulse-width-modulation (PWM) cycle, the DEPC alternately activates one of the multiple inverter circuits, which are connected to the power sources. The converter has been proven experimentally to conduct charging operations and distribute power between two DC power sources having different voltages.

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