Abstract: Novel apparatus and techniques for harnessing wind and/or moving-liquid energy using one or more portable turbine systems are disclosed. One embodiment includes a portable stream turbine system having a hub with many paddles, held by an axle in a housing. The system further includes a disk fixed to the hub and extended out of the housing to be also fixed to a gear structure, which is connected to a generator. The output of the generator can be connected to electronics to perform different functions. Another embodiment includes a number of portable turbine systems removably attached together to form an array. In one example, the number of portable turbine systems in an array can be adjustable, depending on needs. The different embodiments regarding a stream turbine system can further include a floatation mechanism to keep the different embodiments afloat or partially afloat in a fluid.

Abstract: One embodiment of a battery-powered motorized vehicle for a user includes a riding platform, a steering wheel, a second-end wheel, a seat base, a battery-powered motor, a carrying platform, a swivel wheel, a hinge, and an attachment device. The riding platform includes a first end and a second end. The steering wheel is in proximity to the first end of the riding platform. The second-end wheel is close to the second end of the riding platform. The seat base can be on top of the riding platform, with the seat base including a seat back. The battery-powered motor is configured to drive the second-end wheel. The carrying platform includes a first end and a second end. The swivel wheel is configured to connect to the bottom of the carrying platform. The hinge is configured to connect the first end of the carrying platform to a back surface of the seat base. The attachment device is configured to secure an article to the carrying platform.

Abstract: A structure to strengthen a house against earth movement, such as earthquake. The house can be known as the central house. In one embodiment, there is a slab under the house. The central house has a number of neighboring houses around it. There is also a slab under each of the neighboring houses. The slab under the central house can be known as the central slab, and the slabs of the neighboring houses can be known as the neighboring slabs. At least one carbon nanotube wire is embedded in each slab. The at least one carbon nanotube wire in the central slab is connected to two of the carbon nanotube wires in neighboring slabs.