Abstract: Embodiments described herein relate to a reusable chemical cold pack. The apparatus includes a body which defines a chamber having two volumes separated by a thin film composite membrane. The thin film composite membrane includes a fabric material sheet, a thermoplastic polymer material sheet, and a polyamide material sheet. A first volume disposed on one side of the thin film composite membrane contains a solvent and a second volume disposed on an opposite side of the thin film composite membrane contains a solute. A check valve is disposed through the thin film composite membrane and enables mixing of the solvent and the solute. The solvent and the solute may also be separated after mixing by diffusion of the solvent through the thin film composite membrane.

Abstract: An ink composition includes a fluid and a plurality of microcapsules suspended in the fluid. The fluid includes a first chemical compound that exhibits a first color characteristic in a first pH range and exhibits a second color characteristic in a second pH range, where the first color characteristic is visually distinct from the second color characteristic. A second chemical compound is contained within the microcapsules, such that rupturing at least a subset of the plurality of microcapsules releases the second chemical compound. Releasing the second chemical compound shifts a pH of the fluid from a first pH in the first pH range to a second pH in the second pH range.

Abstract: A platform embedded in an electrical cable that stores and transmits data or information related to the electrical cable is designed. The embedded platform includes a non-volatile memory element to store product data describing at least one of electrical characteristics and certifications of the electrical cable. The platform also includes a current detector to detect a current that flows in the electrical cable based on a magnetic field generated by the current. The platform further includes a communication circuit to transmit at least one of the stored product data and information related to the detection of the current to a remote device.

Abstract: An ink composition includes a fluid and a plurality of microcapsules suspended in the fluid. The fluid includes a first chemical compound that exhibits a first color characteristic in a first pH range and exhibits a second color characteristic in a second pH range, where the first color characteristic is visually distinct from the second color characteristic. A second chemical compound is contained within the microcapsules, such that rupturing at least a subset of the plurality of microcapsules releases the second chemical compound. Releasing the second chemical compound shifts a pH of the fluid from a first pH in the first pH range to a second pH in the second pH range.

Abstract: A paint composition includes a fluid and a coloring agent in the fluid. The fluid maintains the coloring agent in a first protonation state. The coloring agent exhibits a first color characteristic in the first protonation state. The paint composition includes microcapsules in the fluid. The paint composition also includes a chemical compound in the microcapsules. Rupture of at least a portion of the microcapsules is configured to release the chemical compound and expose the coloring agent to the chemical compound. Exposure of the coloring agent to the chemical compound changes the coloring agent from the first protonation state with the first color characteristic to a second protonation state with a second color characteristic. The second color characteristic is visually distinct from the first color characteristic.

Abstract: An ink composition includes a fluid and a plurality of microcapsules suspended in the fluid. The fluid includes a first chemical compound that exhibits a first color characteristic in a first pH range and exhibits a second color characteristic in a second pH range, where the first color characteristic is visually distinct from the second color characteristic. A second chemical compound is contained within the microcapsules, such that rupturing at least a subset of the plurality of microcapsules releases the second chemical compound. Releasing the second chemical compound shifts a pH of the fluid from a first pH in the first pH range to a second pH in the second pH range.

Abstract: Disclosed is a method of strength testing of a drawer of a computer rack system. The method utilizes a test apparatus including a first apparatus plate and a second apparatus plate positioned to define an apparatus slot between the first apparatus plate and the second apparatus plate. The apparatus includes a moveable positioning arm disposed in the apparatus slot, the moveable positioning arm including a holder portion, a force gauge secured to the holder portion; and a force applicator operably connected to the force gauge. The test apparatus is secured to an enclosure of the computer rack system and the drawer is located in a desired position in the enclosure. The force applicator is positioned such that the force applicator contacts the drawer at a testing location, and a force is applied to the testing location via the force applicator.