Viewpoint: Yes, from unforeseen pollution to deliberately designed weapons of mass destruction, nanotechnology holds significant risks, and the legal, technical, and cultural work that must be done to tip the balance toward safety is not being...

Nanoscience, nanoengineering, and nanotechnology involve the study, design, and manipulation of natural phenomena, artificial products, and technological processes at the nanometer level. Because a nanometer is one-billionth of a meter (10−9...

Like a swarm of bees, tiny humanmade satellites—called nanosatellites or picosatellites, depending on their size—may one day fly in formation to remote destinations throughout the solar system. Upon reaching their targets, they will...

Nanotechnology is the technology of building things at a molecular scale, that is, where objects are measured in nanometers. Nanotechnology has the potential to improve both energy production technology, and the efficiency of end–use technology....

Nanocomputing Nanocomputing describes computing that uses extremely small, or nanoscale, devices (one nanometer [nm] is one billionth of a meter). In 2001, state-of-the-art electronic devices could be as small as about 100 nm, which is about the same...

Molecular computing is the science of using individual molecules to build computer programs. Instead of running software on a traditional computer, some scientists are now trying to replace the silicon chip with test tubes, liquids, and even living...

In nanochemistry, the rules of bonding are extended from atoms and molecules to larger objects having the dimension of from 1 to 100 nanometers, where one nanometer is one-billionth of a meter. In this regime, new chemical and physical properties...

Nanotechnology refers to the construction and use of atomic machines—functioning consortia of atoms that are less than about 1,000 nanometers in size. A nanometer is one billionth of a meter. The technology is relevant to computer science as it...

Science entered the twentieth century with newfound knowledge that our world is composed of fundamental building blocks, atoms and molecules, that are extremely small--approximately a nanometer in any dimension. (The prefix "nano," meaning...

Nanotechnology is an relatively new area of science in which extremely tiny machines, ranging from a few to a few hundred nanometers in size, are used to manipulate systems. This manipulation may take place at the cellular level or even the atomic...

Molecular switches are a part of the discipline of nanotechnology—making operational machines of atomic dimensions. Specifically, a molecular switch is composed of atoms of material that function as a switch, or a logic gate. A logic gate is a...

Manipulation of atoms, molecules, and materials to form structures on the scale of nanometres (billionths of a metre). These nanostructures typically exhibit new properties or behaviours due to quantum mechanics. In 1959 Richard Feynman first pointed...

Nanotechnology refers broadly to a field of applied science and technology whose unifying theme is the control of matter on the atomic and molecular scale, normally 1 to 100 nanometers, and the fabrication of devices within that size range. It is a...