
U think T1000 is impossible? The robot which can change shape in
Terminator 2. Think again. What was considered science fiction 50 years ago are reality now. T1000 is frigteningly possible through the use of DNA and molecular electronics
molecular transistors which can integrate into substances that are flexibe in nature like mercury and water can produce a "robot or computer" with the ability to process calculations! u will be able to see liquids or mercury changing shape, moving and able to think like robots and computers .
The ability of DNA to transfer electrons through the center of the double helix has been established by recent experiments. As biologists figure out what this means for medicine, nanoscientists are using DNA to assemble nanoelectronic devices. Several methods are available for using DNA a nanomechanical control system. The latest research into the mechanical properties movement of DNA is discussed with references, in particular, in vivo implications of supercoiling as an ionic switch.
Numerous molecules that can function as molecular scale wires [11], switches [12], transistors [13], and much more [7] have been characterized both by molecular simulations [14] and experiments [15]. Most of these molecular components have already been synthesized and characterized with traditional chemical methods, thus providing a supply of components that can be mass produced on the order of Avagadro's number (1 mole = 6*1023 molecules). So, you might ask: why do our computers still have only millions of transistors per chip? Major obstacles keeping molecular electronics from being feasible today can be divided into two categories: integration and interfacing.
Integration of the components involves molecular assembly, also known as supramolecular chemistry. Rather than patterning two dimensional semiconductor surfaces with doped regions, as is currently staple in silicon-based microelectronics, molecular electronics would have to assemble discrete molecular components into functional circuitry. Although tools such as scanning probe microscopy have demonstrated the possibility of manipulating single molecules, parallel methods of integration such as self-assembly and directed assembly are more promising aproaches [16]. While traditional chemistry and current methods of self-assembly result in imperfect circuitry [17], improvements in nanoscale chemistry are rapidly advancing [18].
Interfacing involves reading and writing to the molecular electronic devices. Being so small, there must be a way for us to communicate with the device by writing our input and reading the output. There are numerous methods that might be used for interfacing molecular electronic devices with our current microtechnology. Optical methods for interfacing seem to be one of the more promising aproaches. For instance, Martini et. al. [19] has demonstrated that electron transfer reactions can be controlled with femtosecond laser pulses. With lasers being one of the more coherent tools for reading and writing, optical interfacing may provide a convenient method for interacting with quantum devices [20].