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A long standing puzzle is whether information is lost after black holes evaporate, contradicting the unitarity of quantum mechanics. Don Page proposed a solution to this paradox by suggesting that the black hole and its emitted radiation can be effectively described by a random state of qubits.
What is time? Sten Odenwald explains how recent theories about the quantum nature of gravity provide some unique and fantastic answers.
The U.S. military tested tactical herbicides including Agent Orange at the New Brunswick base in the late 1960’s.
Editor’s note: Since 2015, the Simons Foundation has supported the “It from Qubit” collaboration, a group of scientists drawing on ideas from quantum information theory to address deep issues in fundamental physics. The collaboration held its “Last Hurrah” event at Perimeter Institute last week. Here is a transcript of remarks by John Preskill at the…
The time to give the gift of life is now. If you roll up your sleeve and give one pint of blood, you can save up to three lives.