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A compass pointing west
Magnets are characterized by the fact that they have a North pole and a South pole. If two common magnets are held close to each other,...
Apr 4, 20193 min read


Penn engineers demonstrate metamaterials that can solve equations
The field of metamaterials involves designing complicated, composite structures, some of which can manipulate electromagnetic waves in...
Mar 26, 20194 min read


Computer scientists create reprogrammable molecular computing system
Computer scientists at Caltech have designed DNA molecules that can carry out reprogrammable computations, for the first time creating...
Mar 25, 20193 min read


Extremely accurate measurements of atom states for quantum computing
A new method allows the quantum state of atomic "qubits"--the basic unit of information in quantum computers--to be measured with twenty...
Mar 25, 20193 min read


Quantum physicists succeed in controlling energy losses and shifts
Quantum computers need to preserve quantum information for a long time to be able to crack important problems faster than a normal...
Mar 13, 20192 min read


How to catch a magnetic monopole in the act
A research team led by the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has created a nanoscale...
Mar 5, 20193 min read
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