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Hacking Matter : Invisible Clothes, Levitating Chairs and the Ultimate Killer App - Wil McCarthy

Hacking Matter

Invisible Clothes, Levitating Chairs and the Ultimate Killer App

By: Wil McCarthy

Hardcover | 20 May 2003 | Edition Number 1

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Programmable matter is probably not the next technological revolution, nor even perhaps the one after that. But it's coming, and when it does, it will change our lives as much as any invention ever has. Imagine being able to program matter itself-to change it, with the click of a cursor, from hard to soft, from paper to stone, from fluorescent to super-reflective to invisible. Supported by companies ranging from Levi Strauss to IBM and the Defense Department, solid-state physicists in laboratories at MIT, Harvard, Sun Microsystems, and elsewhere are currently creating arrays of microscopic devices called "quantum dots" that are capable of acting like programmable atoms. They can be configured electronically to replicate the properties of any known atom and then can be changed, as fast as an electrical signal can travel, to have the properties of a different atom. Soon it will be possible not only to engineer into solid matter such unnatural properties as variable magnetism, programmable flavors, or centuple bonds far stronger than diamond, but also to change these properties at will. Wil McCarthy visits the laboratories and talks with the researchers who are developing this extraordinary technology; describes how they are learning to control its electronic, optical, thermal, magnetic, and mechanical properties; and tells us where all this will lead. The possibilities are truly magical.
Industry Reviews
Expanding on an article from Wired, SF novelist McCarthy (The Collapsium, 2000, etc.) asserts that the next breakthrough in materials science might be designer elements with properties programmable to whatever the customer requests. The basis for this prediction is "quantum dots": computer chips with microscopic domains that can mimic the chemical signature of specified atoms by varying the number of electrons they hold. The author describes the hardware and the physics behind the research and interviews several of the scientists working with quantum dots. As of this writing, several two-dimensional ("pancake") elements have been created and arranged in a simplified periodic table. As one might have guessed, their properties lie in between those of the silicon of the chip and those of the element with which they share an electronic signature. In theory, manipulating the electronic properties of these elements will allow precise control over electrical conductivity, thermal insulation, transparency, magnetism, tensile strength, and all the other characteristics of familiar materials. McCarthy concedes that much of the work in this area at present depends on expensive and delicate devices that need cryogenic temperatures and high voltages to run at all. Integrating them into the suburban home will depend on fitting large numbers of programmable atoms into arrays that, at room temperature and low power, can substitute for current construction materials. The results could include a house able to regulate its own temperature, supply windows or lights wherever the inhabitants find them useful at a given moment, and generate sufficient energy for all normal activities-or a garment that can change color depending on the wearer's whim. McCarthy sometimes assumes more technical expertise than many readers are likely to have, but in compensation he effectively conveys the inherent gee-whiz character of his subject. A fascinating glimpse of research that may in a few years find its way into our everyday lives. (Kirkus Reviews)

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