IN THIS ISSUE

Articles

• The Brief Lives of Neutrons
  The plan to settle decades of controversy about the neutron’s life expectancy.
• Turmoil at the Top of the World
  The Arctic’s changing climate is literally turning the tundra upside down.
• Not Magic…Quantum
  A commercial quantum computer now exists, and it just arrived at Los Alamos.
• Breaking the Bond
  Chemical conversion of biomass for friendlier fuels

Spotlights

• Ripples in Space and Time
  Gravitational waves from merging black holes
• Small Fusion Could Be Huge
  New, low-cost approach to virtually unlimited fusion energy
• Muon Mission in Tuscany
  Can free particles from the sky save a priceless treasure in Florence?