In some example embodiments, a system includes a drill string having a drill bit. The drill string extends through at least part of a well bore. The system also includes a first vibrational sensor, positioned on the drill bit to measure, at a first location on the drill string, an amplitude of one or more of an axial vibration and a lateral vibration. The system also includes a second vibrational sensor, positioned above the drill bit and on the drill string. The second vibration sensor is to measure, at a second location on the drill string, one or more of an axial vibration and a lateral vibration. The system includes a processor unit to determine a type of vibration based on a comparison of the amplitude at the first location to the amplitude at the second location, wherein the type of vibration is at least one of bit whirl of the drill bit and a while of a bottom hole assembly that is part of the drill string.

A sensor includes a collector, an emitter and a base-region barrier formed as an inverted bipolar junction transistor having a base substrate forming a base electrode to activate the inverted bipolar junction transistor. A level surface is formed by the collector, the emitter and the base-region barrier opposite the base substrate such that when the level surface is exposed to charge, the charge is measured during operation of the bipolar junction transistor.

Image sensors and methods of operating the same. An image sensor includes a pixel array including a plurality of pixels. Each of the plurality of pixels includes a photo sensor, the voltage-current characteristics of which vary according to energy of incident light, and that generates a sense current determined by the energy of the incident light; a reset unit that is activated to generate a reference current, according to a reset signal for resetting at least one of the plurality of pixels; and a conversion unit that converts the sense current and the reference current into a sense voltage and a reference voltage, respectively.

Measurement data is received from first and second seismic sensors, where the first and second seismic sensors are oriented in opposite directions. Each of the first and second seismic sensors has a sensing element responsive to pressure and particle motion. The signals can be combined to remove the particle motion component of the measurement data and obtain pressure-only data. Alternatively, the signals can be combined to deghost the received measurement data.

A smartphone app that causes a smartphone device to actively control a configuration of footwear structural elements located in a footwear sole or removable inner sole insert of a user of the smartphone device, and one or more sensors located in either one or both of the sole or the removable inner sole insert the user's footwear and a sensor including a gyroscope and/or an accelerometer in the smartphone device; and the footwear structural elements being configured for computer control by the smartphone device when the smartphone app is operating on the smartphone device; and wherein instructions of the smartphone app, when executed, cause the smartphone device to, first, process measurement data received from the footwear and smartphone sensors and, second, use the processed measurement data to alter a configuration of the footwear structural elements based on the output from processing measurement data.

Wireless strain and displacement sensors wirelessly monitor structural health and integrity, and are made by printing inductor-interdigital capacitor sensing circuits on a variety of substrates, including ceramic substrates, with thermally processable conductive inks. Sensors of the invention can be employed to detect strain and displacement of civil structures, such as bridges and buildings. The sensors include sensing elements that are mounted or printed on stiff, inflexible substrates, which prevent the sensing elements from bending, stretching, or otherwise warping when the sensor is strained. An interlayer between the sensing elements allows the sensing elements to move with respect to each other during application of strain. Thus, strain causes the sensing elements to move but not to deform, causing changes in sensor resonance that can be detected through wireless radio-frequency interrogation. Because the sensing elements do not change shape when under strain, the sensor can undergo millions of measurement cycles before breaking.

The present disclosure relates to metal alloys for biosensors. An electrode is made from the metal alloy, which more specifically can be a nickel-based alloy. The alloy provides physical and electrical property advantages when compared with existing pure metal electrodes.

Pre-loaded force sensitive input devices, force sensing resistors (FSR), are formed as a multiple membrane assembly that is capable of detecting low intensity pressure inputs and quantifying varying applications of pressure to the sensor surface. Pre-loading the force sensor elements results in controlled amount of force between the two substrates causing a constant state of pre-load and eliminating the low-end or minimal pressure signal noise associated with unloaded sensors. Pre-loading the force sensing resistor sensors also enables the sensor to detect removal of low intensity pressure input such as might occur during theft of light weight articles placed in contact with the pre-loaded force sensor. Using an FSR or FSR Matrix Array will enable any handling of protected retail packaging to be detected and identified. A library of “touches” can be established that will yield cutting, ripping, twisting, etc. making the detection of a theft in progress more accurate.

Researchers at Virginia Tech are integrating electronic sensors into personalized 3D printed prosthetics, a development that could lead to more affordable electric-powered prosthetics.

Faced with a stagnant, 10-year budget forecast, restricted resources and the need to address healthcare and safety needs of a rapidly growing percentage of healthy citizens over the age of 70, city leaders got creative. Partnering with IBM, TIS Innovation Park, the technological park of Bolzano, and Dr. Hein GmbH, the city sponsored the Secure Living project to help seniors safely 'age in place' at home.

(King Abdullah University of Science & Technology (KAUST)) Optical fibers wrapped around date palm trunks could help detect this tree's most destructive pest early enough to save it.

Professor of Chemistry Paul Cremer is developing a biosensor platform that could be used to perform real-time, continuous detection of SARS-CoV-2, the virus that causes COVID-19.

Agency: DTCC Closing Date: 7/16/2020

Attach a radar sensor to an albatross and you have a bird spy. Researchers deployed 169 of them in the Indian Ocean and found that a quarter of fishing vessels may be operating illegally

Sensors being developed by Airbus and a California-based startup might be able to sniff out COVID-19 in an effort to help prevent its spread.

The Department of Justice today announced that it will require Heraeus Electro-Nite LLC to divest certain assets that it acquired from Midwest Instrument Company Inc. (Minco) to Keystone Sensors LLC in order to resolve the department’s competitive concerns.

Using the flow of water inside the pipes to power the water network's own monitoring devices could eliminate the need for batteries in those systems.

The supersensitive system can also glean clues about health

-- Read more on ScientificAmerican.com

Novel lightweight electronic sensors can be integrated into flexible fabrics, including the kinds of polyesters often used in athletic wear, to provide

Advanced equipment can detect problems 75 days before they occur

System devised by neurotech start-up Koniku uses living cells

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Precision farming is set to invade Indian farms. IIM Calcutta and the Bidhan Chandra Krishi Viswavidalaya...