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While the detoxification foot pads seem to be popular among young populations in some regions, the effect of the pads remains unclear. "Removing heavy metals from the body" seems to be good for health; however, the human body needs certain amount of heavy metals such as zinc, iron, copper, etc. Excessive amounts of heavy metal can cause disease. [8]
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Schön's topic of research was condensed matter physics and nanotechnology. [3] He received his PhD from the University of Konstanz in 1997. During late 1997, he was hired by Bell Labs, where he worked on electronics in which conventional semiconducting elements (such as silicon) were replaced by crystalline organic (meaning carbon-based) materials.
Ethics of nanotechnology is the study of the ethical issues emerging from advances in nanotechnology and its impacts.. According to Andrew Chen, ethical concerns about nanotechnologies should include the possibility of their military applications, the dangers posed by self-replicant nanomachines, and their use for surveillance monitoring and tracking. [1]
In 2004, Harvard University nanotech pioneer Charles Lieber and his team have made a nanowire—10,000 times thinner than a sheet of paper—that contains a string of transistors. [9] Essentially, transistors and nanowires are already pre-wired so as to eliminate the difficult task of trying to connect transistors together with nanowires.
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Regulation of nanotechnology will require a definition of the size, in which particles and processes are recognized as operating at the nano-scale. The size-defining characteristic of nanotechnology is the subject of significant debate, and varies to include particles and materials in the scale of at least 100 to 300 nanometers (nm).