The Petite Particle Accelerator: A Proton Gun For Killing Tumors

Since 1990, doctors have been regularly treating cancer patients using proton beams, which work similarly to radiation. Proton therapy is more precise, however, causing less harm to healthy surrounding tissues. Unfortunately, generating a proton beam requires a particle-accelerator facility that's the size of an… » 3/26/12 1:00pm 3/26/12 1:00pm

Giant Cold-War Era Russian Proton Rocket Successfully Launches Giant…

The Inmarsat-4, or I4-F3 broadband satellite to its friends, is a big satellite. Almost as big as a double decker bus and with an unfurled solar wingspan as wide as a football field, it needed an appropriately big ride into space. And so it hitched onto a Proton Rocket, a 58m-high, 700-ton monster used for sat… » 8/19/08 10:07pm 8/19/08 10:07pm