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Submission + - CERN Wants a New Particle Collider Three Times Larger Than the LHC (vice.com) 1

Submitted by Daniel_Stuckey
Daniel_Stuckey writes: Not content with the 27-kilometre-round Large Hadron Collider, researchers at CERN have their sights set on a new beast of a particle collider that could have a circumference of 80 to 100 kilometres.

The nuclear research organisation announced that it was hatching plans for an ambitious successor to the LHC with an international study called the Future Circular Colliders (FCC) programme, which will kick off with a meeting next week.

The idea is to consider different hadron collider designs similar to the existing LHC but more powerful—much more powerful. CERN wrote it was looking for a collider “capable of reaching unprecedented energies in the region of 100 TeV.” The existing LHC will reach a maximum of around 14 TeV (tera electron Volts).

Submission + - Graphene conducts electricity ten times better than expected (nature.com) 1

Submitted by ananyo
ananyo writes: Physicists have produced nanoribbons of graphene — the single-atom-thick carbon — that conduct electrons better than theory predicted even for the most idealized form of the material. The finding could help graphene realize its promise in high-end electronics, where researchers have long hoped it could outperform traditional materials such as silicon.
In graphene, electrons can move faster than in any other material at room temperature. But techniques that cut sheets of graphene into the narrow ribbons needed to form wires of a nano-scale circuit leave ragged edges, which disrupt the electron flow. Now a team led by physicist Walt de Heer at the Georgia Institute of Technology in Atlanta has made ribbons that conduct electric charges for more than 10 micrometres without meeting resistance — 1,000 times farther than in typical graphene nanoribbons. The ribbons made by de Heer's team in fact conduct electrons ten times better than standard theories of electron transport they should, say the authors.

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