News tagged with impurity

Controlling interactions between distant qubits

A big part of the burgeoning science of quantum computation is reliably storing and processing information in the form of quantum bits, or qubits. One of the obstacles to this goal is the difficulty of preserving the fragile ...

dateJul 23, 2015 in Quantum Physics
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Recycling aluminium, one can at a time

Producing pure aluminium from ore accounts for as much as 1 per cent of all greenhouse gas emissions worldwide. Recycling is the best way to reduce that carbon footprint – but manufacturers and recycling companies will ...

dateMay 01, 2015 in Engineering
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Molecules as circuits

Pursuit of silicon-based electronics has certain limits, in the physical sense: This type of circuit can never become "nano" because of the physical laws governing the flow of electrons. This imposes a halt to the process ...

dateJan 23, 2014 in General Physics
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