Abstract: Flexible metamaterials and three-dimensional metamaterials operable in the terahertz range are disclosed. Methods are disclosed for fabricating terahertz response metamaterials using microfluidic-jetted techniques. Layers of material including substrate and deposited material are stacked to form three dimensional bulk metamaterials. The fabricated metamaterials act as left-handed metamaterials in the range 0.1 to 3.0 THz.

Abstract: Flexible metamaterials and three-dimensional metamaterials operable in the terahertz range are disclosed. Methods are disclosed for fabricating terahertz response metamaterials using microfluidic-jetted techniques. Layers of material including substrate and deposited material are stacked to form three dimensional bulk metamaterials. The fabricated metamaterials act as left-handed metamaterials in the range 0.1 to 3.0 THz.

Abstract: Flexible impact sensors are provided which are constructed of flexible polyimide substrate, electrodes and a pressure-sensitive electrically conductive polymer composite layer having conductive nanoparticles. Dual-purpose impact and temperature sensors are also described. Methods of making flexible impact sensors are disclosed.

Abstract: A digital coded signal for horizontal overhead obstacles warning system comprises of an active transmitter mounted in the vicinity of the said horizontal overhead obstacles and a receiver unit in each automobile vehicle. The transmitter transmits a string of digitally encoded signal periodically with a brief interval in between e.g. millisecond range, where the digital code corresponds, to the road name leading to the obstacle or obstacles and the corresponding height. The string of the digital signal will be password protected and encoded with a specific number of start bits, end bits, and parity. The receiver units, which are self contained receive and decode the signal and then display the information on the front panel, and also projects it on the vehicle's wind shield at dim light condition. In order to overcome electrical engine noise and other stray RF frequencies, the receiver includes a band pass filter and a pulse width decoder.