What do a toaster and a quantum simulator have in common? Lincoln Carr of the Colorado School of Mines explains in this episode of Physics World Weekly. Carr, who has worked as a professional actor, ...

Water, so ordinary and so essential to life, acts in ways that are quite puzzling to scientists. For example, why is ice less dense than water, floating rather than sinking the way other liquids do ...

Ice cubes float in water because they’re less dense than the liquid. But a newfound type of ice has a density nearly equal to what’s in your water glass, researchers report in the Feb. 3 Science. If ...