Surprising electronic disorder in a copper oxide-based ceramic

Cuprates, a class of copper-oxide ceramics that share a common building block of copper and oxygen atoms in a flat square lattice, have been studied for their ability to be superconducting at relatively high temperatures. ...

Collective intelligence in online communication

Have you ever wondered what factors may shape the interactions we have in online chatrooms? With the advent of the Internet 20+ years ago, the ways in which we communicate have drastically changed, allowing us to easily interact ...

Amazon asks Supreme Court to block NY sales tax

Amazon.com Inc. is taking its tax fight to the U.S. Supreme Court, asking the justices to block a demand from New York authorities that it collect a sales tax on goods sold in that state.

Blocking infinity in a topological insulator

(Phys.org)—In bulk, topological insulators (TIs) are good insulators, but on their surface they act as metals, with a twist: the spin and direction of electrons moving across the surface of a TI are locked together. TIs ...

What do Biological Cells and Democracy Have in Common?

(PhysOrg.com) -- Scientists at the New England Complex Systems Institute (NECSI) and Harvard University offer a groundbreaking new perspective on how genes determine and regulate the functional identity of a cell. The study, ...

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