Diamond has long been regarded as a nonpiezoelectric material. Now, researchers have identified a piezoelectric effect in ultrathin, ultraflexible polycrystalline diamond membranes....
U.S. President Donald Trump delivers remarks on his administration's healthcare policies, in the Oval Office at the White House in Washington, D.C., U.S., Aug....
Nasa says its "crisp, sweeping surveys will help scientists investigate dark energy and dark matter, discover and characterise exoplanets, map billions of galaxies, study...