Abstract: An example system includes an x-ray absorber. The x-ray absorber is to convert received x-rays into electrical energy. The system also includes a memory. The memory is to receive the electrical energy. The memory also is to output a stored value using the electrical energy. The system includes a transmitter. The transmitter is to produce x-rays representative of the stored value.

Abstract: In example implementations, a display is provided. The display includes a cover lens, a phosphorescent component, a display module and a processor. The phosphorescent component is located adjacent to the cover lens. The display module is located adjacent to the phosphorescent component opposite the cover lens. The processor is communicatively coupled to the display module to cause the display module to generate a desired image that activates corresponding portions of the phosphorescent component before the display is powered down.

Abstract: In some examples, a fluidic conductive trace based radio-frequency identification device may include a flexible substrate layer including a channel, and a trace formed of a conductive fluid that is disposed substantially within the channel. The fluidic conductive trace based radio-frequency identification device may further include a sealing layer disposed on the flexible substrate layer and the trace to seal the conductive fluid in a liquid state within the channel.

Abstract: An autoclavable human interface device is described. The autoclavable human interface device can include a first component constructed of a first material exposable to autoclave conditions without damage caused to the first component. The autoclavable human interface device can include a second component constructed of a second material that is susceptible to damage under the autoclave conditions. The autoclavable human interface device can include a component coating on the second component. The component coating can be exposable to the autoclave conditions without allowing damage to the second component.

Abstract: In an example, an air filter system includes an air filter and a thermally conductive particulate sensor (TCPS). The TCPS includes a temperature sensor to measure a first temperature of the TCPS at a first time, measure a second temperature of the TCPS at a second time, and provide the measured first temperature and the measured second temperature to a controller. The controller to determine an actual rate of temperature change based on the measured first temperature and the measured second temperature, compare the actual rate of temperature change to a target rate of temperature change, and provide a notification when a difference between the actual rate of temperature change and the target rate of temperature change is greater than an accumulation threshold indicative of a threshold amount of particulate accumulation on the TCPS.

Abstract: A device for detecting isotopes includes an isotope portion including a material including an isotope of an element, a reaction control portion to cause a chemical reaction of the material, and an electrical parameter portion to measure a change in an electrical parameter of the material, where the change in the electrical parameter is caused by the chemical reaction, and where the change in the electrical parameter is dependent on the isotope in the material, to detect the isotope by comparing the change in the electrical parameter of the material with a known electrical parameter associated with a known isotope.

Abstract: An example system includes an x-ray absorber. The x-ray absorber is to convert received x-rays into electrical energy. The system also includes a memory. The memory is to receive the electrical energy. The memory also is to output a stored value using the electrical energy. The system includes a transmitter. The transmitter is to produce x-rays representative of the stored value.

Abstract: In example implementations, a computing system is provided. The computing system includes at least one electronic component, a fan and a filter. The electronic component generates heat that is cooled by an air flow within the computing system that is generated by the fan. The filter is located in a path of the air flow. The filter includes a filter mesh with a strain gauge that is encapsulated and incorporated into the filter mesh to measure an amount that the filter mesh is clogged.

Abstract: In an example implementation according to aspects of the present disclosure, a method may include detecting, by a computing device, termination of a wired connection via a connector, after a module is detached from a cavity of the computing device, and automatically switching from the wired connection to a wireless connection between the module and the computing device, to maintain the data communications between the module and the computing device.

Abstract: In some examples, a fluidic conductive trace based radio-frequency identification device may include a flexible substrate layer including a channel, and a trace formed of a conductive fluid that is disposed substantially within the channel. The fluidic conductive trace based radio-frequency identification device may further include a sealing layer disposed on the flexible substrate layer and the trace to seal the conductive fluid in a liquid state within the channel.

Abstract: A method of extracting information encoded in a product includes: determining a concentration of a non-functional amount of a chemical in a product, where the concentration corresponds to one of a plurality of possible concentration ranges, where each of the plurality of possible concentration ranges indicates different non-composition manufacturing information about the product.

Abstract: In example implementations, a display is provided. The display includes a cover lens, a phosphorescent component, a display module and a processor. The phosphorescent component is located adjacent to the cover lens. The display module is located adjacent to the phosphorescent component opposite the cover lens. The processor is communicatively coupled to the display module to cause the display module to generate a desired image that activates corresponding portions of the phosphorescent component before the display is powered down.

Abstract: An electronic device includes a marker with a pattern of marks encoding product information of the electronic device. The pattern includes first marks having a first material with a first isotopic ratio of an element, and second marks having a second material with a second isotopic ratio of the element different than the first isotopic ratio.

Abstract: In some examples, a computing device is to detect a fiducial mark on a portable device that comprises a display screen, generate supplemental information that corresponds to information presented in the display screen of the portable device, and cause display of the supplemental information by a display device of the computing device, according to an orientation that is based on the detected fiducial mark, the displayed supplemental information supplementing the information presented in the display screen of the portable device.

Abstract: In some examples, a wearable system includes an outer case defining an inner chamber and comprising a portion including a liquid resistant and breathable layer. The wearable system further includes a computing device in the inner chamber, and an airflow generator to produce an airflow to cool the computing device and to direct a resulting heated airflow to flow through pores of the liquid resistant and breathable layer to an environment outside the outer case.

Abstract: In an example, an air filter system includes an air filter and a thermally conductive particulate sensor (TCPS). The TCPS includes a temperature sensor to measure a first temperature of the TCPS at a first time, measure a second temperature of the TCPS at a second time, and provide the measured first temperature and the measured second temperature to a controller. The controller to determine an actual rate of temperature change based on the measured first temperature and the measured second temperature, compare the actual rate of temperature change to a target rate of temperature change, and provide a notification when a difference between the actual rate of temperature change and the target rate of temperature change is greater than an accumulation threshold indicative of a threshold amount of particulate accumulation on the TCPS.

Abstract: In an example, an air filter assembly includes an air filter to remove particulates from air flowing through the air filter, sense electrodes coupled to the air filter, the sense electrodes spaced apart in a direction that is transverse to a direction of a flow of the air, a sense interconnects to couple the sense electrodes to a first power source to drive a sense electrode of the sense electrodes to a sense power, charge electrodes coupled to the air filter, where the charge electrodes are spaced apart from and adjacent to the sense electrodes, and charge interconnects to couple the charge electrodes to a second power source to drive a charge electrode of the charge electrodes to a charge power different from the sense power.

Abstract: In some examples, a controllable read blocking based radio-frequency identification (RFID) device may include a substrate layer, and a trace formed of a conductive material and disposed on, partially within, or fully within the substrate layer. The controllable read blocking based RFID device may further include a controllable read blocking layer disposed on the substrate layer and the trace and including a fluid disposed in the controllable read blocking layer to selectively block or allow passage of electromagnetic waves to the trace to respectively inhibit or allow communication of a RFID reading device with the controllable read blocking based RFID device.

Abstract: In some examples, a controllable read blocking based radio-frequency identification (RFID) device may include a substrate layer, and a trace formed of a conductive material and disposed on, partially within, or fully within the substrate layer. The controllable read blocking based RFID device may further include a controllable read blocking layer disposed on the substrate layer and the trace and including a fluid disposed in the controllable read blocking layer to selectively block or allow passage of electromagnetic waves to the trace to respectively inhibit or allow communication of a RFID reading device with the controllable read blocking based RFID device.

Abstract: An electronic device includes a marker with a pattern of marks encoding product information of the electronic device. The pattern includes first marks having a first material with a first isotopic ratio of an element, and second marks having a second material with a second isotopic ratio of the element different than the first isotopic ratio.