Abstract: A power supply is provided. The power supply includes a case, an electrical connector and a LED. The case includes a first side wall including an extension part. The extension part is extended from the first side wall toward a second side wall and has an aperture. Portion of the electrical connector is disposed in an accommodation space through an opening and includes a first base and a contacting ring. The first base is disposed in the accommodation space. The contacting ring is disposed on an exterior of the accommodation space. The LED is disposed in the aperture and includes a second base and a lens disposed on the second base. The second base and the contacting ring are located on different surfaces. The lens and portion of the second base are exposed from the opening. The other portion of the second base is covered by the contacting ring.

Abstract: A device having fool-proofing structure is configured to be inserted into a cabinet along a first direction and includes a case and an elastic sheet module. The elastic sheet module is disposed on a side of the case and includes a first end disposed on the case, a second end opposite to the first end, a first protrusion portion and a second protrusion portion. The first protrusion portion is adjacent to the second end, protrudes from the case and is configured to abut against the cabinet. The second protrusion portion is farther from the second end than the first protrusion portion, protrudes from the case, and is configured to make the second end and the first protrusion portion move toward the interior of the case as being pressed by a force.

Abstract: A device having fool-proofing structure is configured to be inserted into a cabinet along a first direction and includes a case and an elastic sheet module. The elastic sheet module is disposed on a side of the case and includes a first end disposed on the case, a second end opposite to the first end, a first protrusion portion and a second protrusion portion. The first protrusion portion is adjacent to the second end, protrudes from the case and is configured to abut against the cabinet. The second protrusion portion is farther from the second end than the first protrusion portion, protrudes from the case, and is configured to make the second end and the first protrusion portion move toward the interior of the case as being pressed by a force.

Abstract: A device having fool-proofing structure is configured to be inserted into a cabinet along a first direction and includes a case and an elastic sheet module. The elastic sheet module is disposed on a side of the case and includes a first end disposed on the case, a second end opposite to the first end, a first protrusion portion and a second protrusion portion. The first protrusion portion is adjacent to the second end, protrudes from the case and is configured to abut against the cabinet. The second protrusion portion is farther from the second end than the first protrusion portion, protrudes from the case, and is configured to make the second end and the first protrusion portion move toward the interior of the case as being pressed by a force.

Abstract: A device having fool-proofing structure is configured to be inserted into a cabinet along a first direction and includes a case and an elastic sheet module. The elastic sheet module is disposed on a side of the case and includes a first end disposed on the case, a second end opposite to the first end, a first protrusion portion and a second protrusion portion. The first protrusion portion is adjacent to the second end, protrudes from the case and is configured to abut against the cabinet. The second protrusion portion is farther from the second end than the first protrusion portion, protrudes from the case, and is configured to make the second end and the first protrusion portion move toward the interior of the case as being pressed by a force.

Abstract: A bus bar assembly is provided and includes a first linking bus bar, a second linking bus bar and plural power connectors. The first linking bus bar includes a first main bar, a first bending part, a first conducting part and plural second conducting parts. The second conducting parts connect with the first main bar, respectively. The first bending part connects between the first main bar and the first conducting part. The second linking bus bar is disposed corresponding to and isolated from the first linking bus bar, and includes a second main bar, a second bending part, a third conducting part and plural fourth conducting parts. The fourth conducting parts connect with the second main bar, respectively. The second bending part connects between the second main bar and the third conducting part. The power connectors are electrically coupled with the second conducting parts and the fourth conducting parts.

Abstract: A power supply is provided. The power supply includes a case, an electrical connector and a LED. The case includes a first side wall including an extension part. The extension part is extended from the first side wall toward a second side wall and has an aperture. Portion of the electrical connector is disposed in an accommodation space through an opening and includes a first base and a contacting ring. The first base is disposed in the accommodation space. The contacting ring is disposed on an exterior of the accommodation space. The LED is disposed in the aperture and includes a second base and a lens disposed on the second base. The second base and the contacting ring are located on different surfaces. The lens and portion of the second base are exposed from the opening. The other portion of the second base is covered by the contacting ring.

Abstract: Systems, methods, and mobile computing devices for purchase of items and delivery to a location within a predetermined communication range are disclosed. According to an aspect, a mobile computing device includes a first communications module having a predetermined communication range and configured to receive an indication of one or more items for purchase and delivery to a location within the predetermined communication range. The mobile computing device also includes a user interface and an item ordering manager. The item ordering manager is configured to receive user input via the user interface for selecting one or more of the items for purchase and delivery to the location within the predetermined communication range. The item ordering manager is also configured to use the communications module to communicate identification of the one or more of the items to a second communications module within the predetermined communication range.

Abstract: Systems, methods, and mobile computing devices for purchase of items and delivery to a location within a predetermined communication range are disclosed. According to an aspect, a mobile computing device includes a first communications module having a predetermined communication range and configured to receive an indication of one or more items for purchase and delivery to a location within the predetermined communication range. The mobile computing device also includes a user interface and an item ordering manager. The item ordering manager is configured to receive user input via the user interface for selecting one or more of the items for purchase and delivery to the location within the predetermined communication range. The item ordering manager is also configured to use the communications module to communicate identification of the one or more of the items to a second communications module within the predetermined communication range.

Abstract: A magnetic trigger mechanism is provided. The magnetic trigger mechanism operates in conjunction with a plurality of magnetic sensors. The magnetic trigger mechanism includes: a magnet; a body, with its one side provided with a recess and its other side located near the plurality of magnetic sensors; and a moveable section, provided in the recess in a movable manner, comprising an accommodating space for restraining the magnet therein.

Abstract: A magnetic trigger mechanism is provided. The magnetic trigger mechanism operates in conjunction with a plurality of magnetic sensors. The magnetic trigger mechanism includes: a magnet; a body, with its one side provided with a recess and its other side located near the plurality of magnetic sensors; and a moveable section, provided in the recess in a movable manner, comprising an accommodating space for restraining the magnet therein.

Abstract: A method for forming graphene nanoribbons includes: (a) dispersing carbon nanotubes in a solvent to obtain a nanotube-dispersing solution; (b) adding an oxidant into the nanotube-dispersing solution to obtain a reaction solution; and (c) microwave heating the reaction solution and longitudinally unzipping the carbon nanotubes to form graphene nanoribbons.

Abstract: A magnetic trigger mechanism is provided. The magnetic trigger mechanism operates in conjunction with a plurality of magnetic sensors. The magnetic trigger mechanism includes: a magnet; a body, with its one side provided with a recess and its other side located near the plurality of magnetic sensors; and a moveable section, provided in the recess in a movable manner, comprising an accommodating space for restraining the magnet therein.

Abstract: A magnetic trigger mechanism is provided. The magnetic trigger mechanism operates in conjunction with a plurality of magnetic sensors. The magnetic trigger mechanism includes: a magnet; a body, with its one side provided with a recess and its other side located near the plurality of magnetic sensors; and a moveable section, provided in the recess in a movable manner, comprising an accommodating space for restraining the magnet therein.

Abstract: A magnetic trigger mechanism is provided. The magnetic trigger mechanism operates in conjunction with a plurality of magnetic sensors. The magnetic trigger mechanism includes: a magnet; a body, with its one side provided with a recess and its other side located near the plurality of magnetic sensors; and a moveable section, provided in the recess in a movable manner, comprising an accommodating space for restraining the magnet therein.

Abstract: A method for forming graphene nanoribbons includes: (a) dispersing carbon nanotubes in a solvent to obtain a nanotube-dispersing solution; (b) adding an oxidant into the nanotube-dispersing solution to obtain a reaction solution; and (c) microwave heating the reaction solution and longitudinally unzipping the carbon nanotubes to form graphene nanoribbons.

Abstract: A magnetic trigger mechanism is provided. The magnetic trigger mechanism operates in conjunction with a plurality of magnetic sensors. The magnetic trigger mechanism includes: a magnet; a body, with its one side provided with a recess and its other side located near the plurality of magnetic sensors; and a moveable section, provided in the recess in a movable manner, comprising an accommodating space for restraining the magnet therein.

Abstract: A stand for supporting a display screen of a display device is provided. The stand includes a base plate, a height adjusting mechanism, and a sleeve. One end of the height adjusting mechanism is connected to the base plate, and the other end of the height adjusting mechanism is connected to the display screen. The sleeve surrounds the height adjusting mechanism. One end of the sleeve is connected to the one end of the height adjusting mechanism, and the other end of the sleeve is connected to the other end of the height adjusting mechanism. The sleeve has a plurality of annular tooth sections connected in sequence, and the annular tooth sections may be extended or compressed according to a length variation of the height adjusting mechanism.

Abstract: An ornament fabrication method in which the inner wall of a hollow ornament is first entirely spray-coated with an adhesive and then a reflective material is applied by spraying onto the inner wall of the hollow ornament.