![Weyl semimetal](/sites/default/files/styles/featured_square_large/public/2024-08/Picture4.jpg?h=b38bf506&itok=nYXXiLDs)
Neutrons reveal the existence of local symmetry breaking in a Weyl semimetal
On Tuesday, Feb. 18, President Obama unveiled the timing for the next phase of fuel economy regulations for trucks. He delivered his speech at a Safeway store in Maryland.