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(PhysOrg.com) -- What does a proton look like? The common answer to this question is that protons are much too small to scatter light, and since light is necessary for us to see things, protons do not “look” like anything. But in a new study, physicists have gathered sufficient evidence to show that, at least at very high energies, the proton is a black disk – sort of an elongated hockey puck.

When hydrogen-powered cars hit the market in 2014, it's going to be hard to find fuel. But solar-powered hydrogen fueling startup SunHydro has a plan to quickly ramp up filling stations. We spend a lot of time talking about the possibilities for a large scale battery electric vehicle charging infrastructure , but what about hydrogen fuel cell vehicles?

By Eugenie Samuel Reich of Nature magazine Research groups at the Tevatron, the proton-antiproton collider at Fermilab in Batavia, Illinois, have reached starkly different conclusions about a possible sighting of new particles beyond what is expected under the standard model of particle physics. In April, researchers on the Collider Detector at Fermilab (CDF) experiment reported tentative evidence that particles not predicted by the standard model had surfaced in collisions that produced a W boson--a particle of the weak nuclear force--and jets of other particles. [More]