Abstract: A method of producing a textile sensor includes: obtaining an organic fabric; carbonizing the organic fabric by applying heat to the organic fabric in an inert environment to form a conductive fabric; and attaching one or more electrical terminals to the conductive fabric. The method includes coating the conductive fabric with a polymeric encapsulating material. The method includes, for each of the one or more electrical terminals, connecting a first end of a flexible conductor to the electrical terminal and connecting a second end of each flexible conductor to a wireless interface printed circuit board. The textile sensor comprises at least one of a pressure sensor, a proximity sensor, a touch sensor, a strain sensor, a wind sensor, a temperature sensor, a heating element, a triboelectric sensor, and an energy harvester.

Abstract: The present disclosure relates to electronic devices and methods of manufacturing electronic devices. A method of manufacturing a dissolvable electronic device includes forming a dissolvable sheet; applying a self-sintering agent to the dissolvable sheet to form a substrate; and depositing electrically conductive ink onto the substrate in a trace. A method of manufacturing a meltable electronic device includes mixing a conductive material with a melted wax to form a conductive wax mixture in liquid form; molding the conductive wax mixture; and solidifying the conductive wax mixture to obtain the meltable electronic device. A method of manufacturing an edible electronic device includes cutting a layer of conductive material to form a pattern that defines a circuit; applying the layer of conductive material to an edible medium, wherein the edible medium is in liquid or semi-solid form; and solidifying the edible medium to obtain the edible electronic device.

Abstract: A method for data management is described. The method may include generating a first snapshot of a first state of a data object, generating, using metadata associated with the first snapshot of the first state, a first hash value, and storing the first hash value to a blockchain. If the data object or device or system supporting the data object fails, then a failover procedure may be used to recover the data object. The method may include receiving an instruction to recover the first state of the data object using the first snapshot, retrieving the first hash value from the blockchain, comparing the first hash value retrieved from the blockchain to a second hash value of the metadata associated with the first snapshot, and determining, based at least in part on a result of the comparing, whether the first snapshot stored in the data management system is unmodified.

Abstract: This document describes morphing objects that are created using hydrogels and techniques for creating and controlling the morphing objects. In one aspect, a method for creating a morphing object includes creating one or more heating elements on a substrate by applying one or more conductive traces onto at least one of a first surface of the substrate or a second surface of the substrate opposite the first surface and forming a hydrogel pattern on the first surface of the substrate by applying a hydrogel ink to the first surface of the substrate based on a predefined pattern.

Abstract: Implementations are directed to a smart filter apparatus including an air filter, a sensor supported by the air filter and sensitive to a pathogen, and a control unit in data communication with the sensor and operable to perform operations including receiving, from the sensor, an indication of the pathogen present in air incident on the sensor, generating, by the control unit, a pathogen alert response, and providing, by the control unit, the pathogen alert response.

Abstract: Aspects of the present disclosure provide an environmental probe configured to be at least partially inserted into the ground at a location and to provide defensible space monitoring and maintenance for a home or other structure. The environmental probe may include one or more environmental sensors configured to perform various environmental measurements to generate environmental measurement data. The environmental probe (e.g., a processor of the environmental probe) may compare the environmental measurement data to one or more thresholds to determine an alert state associated with the location. The environmental probe may include one or more wireless interfaces configured to enable communication with a remote device, such as a smart hub device or other environmental probes. The environmental probe may transmit an indicator of the alert state to the remote device to enable performance of one or more operations based on the alert state.

Abstract: Aspects of the present disclosure provide an environmental probe configured to be at least partially inserted into the ground at a location and to provide defensible space monitoring and maintenance for a home or other structure. The environmental probe may include one or more environmental sensors configured to perform various environmental measurements to generate environmental measurement data. The environmental probe (e.g., a processor of the environmental probe) may compare the environmental measurement data to one or more thresholds to determine an alert state associated with the location. The environmental probe may include one or more wireless interfaces configured to enable communication with a remote device, such as a smart hub device or other environmental probes. The environmental probe may transmit an indicator of the alert state to the remote device to enable performance of one or more operations based on the alert state.

Abstract: In some implementations, a self-cleaning seat includes a cover layer with a photocatalyst; a light-emitting fiber layer including one or more light sources; a light-diffusing spacer configured to diffuse light emitted from the light-emitting fiber layer and positioned between the cover layer and the light-emitting fiber layer; and a triggering mechanism that activates a cleaning cycle by activating the one or more light sources.

Abstract: Packaging devices such as bags, pouches, envelops, containers, and the like, can include an integrated heating system. The packaging devices described herein have multiple potential uses such as for the containment and heating of single-serving meals, drinks, massage oils, masks, body wax, anti-wrinkle eye creams, and the like, to be heated on the go. The packaging devices described herein can also be used for instant heating of food and/or beverages for backcountry use. In some embodiments, the packaging devices use fibrous natural materials (e.g., leaf skeletons and soft biomaterials like chitosan) along with silver nanowires to create completely biodegradable, and reusable self-heating packaging.

Abstract: Examples of privacy preserving authentication are provided. A system may obtain a first input from a user on a touchpad. The touchpad may include a sensor array with multiple force sensitive resistors. Further, the system may identify a set of sensor electrodes of the sensor array that may be actuated on receiving the first input. The system may further determine a region of interest on the touchpad. Furthermore, the system may construct various matrices indicative of position, pressure, and directional characteristics associated with the user input. Furthermore, the system may generate a feature vector based on processing the matrices through a neural network. Furthermore, the system may generate an encrypted feature vector based on encrypting the feature vector by using a private key of the user and a homomorphic encryption function. The system may further provide an authorized access to the user based on performing authentication of the user using the encrypted feature vector.

Abstract: Examples of privacy preserving authentication are provided. A system may obtain a first input from a user on a touchpad. The touchpad may include a sensor array with multiple force sensitive resistors. Further, the system may identify a set of sensor electrodes of the sensor array that may be actuated on receiving the first input. The system may further determine a region of interest on the touchpad. Furthermore, the system may construct various matrices indicative of position, pressure, and directional characteristics associated with the user input. Furthermore, the system may generate a feature vector based on processing the matrices through a neural network. Furthermore, the system may generate an encrypted feature vector based on encrypting the feature vector by using a private key of the user and a homomorphic encryption function. The system may further provide an authorized access to the user based on performing authentication of the user using the encrypted feature vector.

Abstract: This document describes morphing objects that are created using hydrogels and techniques for creating and controlling the morphing objects. In one aspect, a method for creating a morphing object includes creating one or more heating elements on a substrate by applying one or more conductive traces onto at least one of a first surface of the substrate or a second surface of the substrate opposite the first surface and forming a hydrogel pattern on the first surface of the substrate by applying a hydrogel ink to the first surface of the substrate based on a predefined pattern.

Abstract: Systems and techniques for multiple message composition using actionable tags are described herein. Message content is be received from a messaging client user interface. An actionable tag indicator is identified by parsing a body of the message content. An actionable tag is be generated based on the identified actionable tag indicator. The generated actionable tag includes the actionable tag indicator, a recipient identifier, and content. A first message may be automatically composed that includes the message content. A second message may be automatically composed that includes the message content and the actionable tag. The first message may be transmitted to at least one recipient and the second message may be transmitted a tagged recipient associated with the recipient identifier corresponding to the actionable tag.

Abstract: This document describes self-cleaning devices. In one aspect, a self-cleaning device includes a rigid or semi-rigid surface covered with a photocatalyst, one or more light sources disposed under or above the surface, and a triggering mechanism that activates a cleaning cycle by activating the one or more light sources.

Abstract: This document describes personal protective devices. In one aspect, a personal protective device includes a face cover arranged to cover at least a nose and mouth of a person. The face cover includes one or more airflow channels that provide a path for air to flow between an exterior side of the face cover and an internal side of the face cover, and one or more ultraviolet (UV) light sources arranged to emit UV light into the one or more airflow channels.

Abstract: Implementations are directed to a smart filter apparatus including an air filter, a sensor supported by the air filter and sensitive to a pathogen, and a control unit in data communication with the sensor and operable to perform operations including receiving, from the sensor, an indication of the pathogen present in air incident on the sensor, generating, by the control unit, a pathogen alert response, and providing, by the control unit, the pathogen alert response.

Abstract: Aspects of the present disclosure provide an environmental probe configured to be at least partially inserted into the ground at a location and to provide defensible space monitoring and maintenance for a home or other structure. The environmental probe may include one or more environmental sensors configured to perform various environmental measurements to generate environmental measurement data. The environmental probe (e.g., a processor of the environmental probe) may compare the environmental measurement data to one or more thresholds to determine an alert state associated with the location. The environmental probe may include one or more wireless interfaces configured to enable communication with a remote device, such as a smart hub device or other environmental probes. The environmental probe may transmit an indicator of the alert state to the remote device to enable performance of one or more operations based on the alert state.

Abstract: This document describes self-cleaning devices. In one aspect, a self-cleaning device includes a fabric having a surface covered with a photocatalyst, one or more light sources embedded in the fabric, and a triggering mechanism that activates a cleaning cycle by activating the one or more light sources. The triggering mechanism can include a pressure sensor. The triggering mechanism can be configured to activate the cleaning cycle in response to detecting a decrease in pressure being applied to the pressure sensor.