Why some feces float and others sink

A team of researchers at the Mayo Clinic has solved the mystery of why some people find their bowel movements floating while others find theirs sinking to the bottom of the toilet bowl. In their paper published in the journal ...

How do you keep a solar sail stable?

Solar sailing seems like a simple concept—instead of being pushed along by the wind, as in a typical sailing ship, a spacecraft can use highly reflective said to be pushed along simply by sunlight. But as with almost all ...

Full control of a six-qubit quantum processor in silicon

Researchers at QuTech—a collaboration between the Delft University of Technology and TNO—have engineered a record number of six, silicon-based, spin qubits in a fully interoperable array. Importantly, the qubits can be ...

More efficient optical quantum gates

Future quantum computers are expected not only to solve particularly tricky computing tasks, but also to be connected to a network for the secure exchange of data. In principle, quantum gates could be used for these purposes. ...

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