American Institute of Physics

Magnetic shielding of ion beam thruster walls

Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century. Erosion of the discharge ...

dateFeb 13, 2013 in General Physics
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Birthing a new breed of materials

Where two different materials meet on the atomic level, a new material can be born that is neither one nor the other. The two parent materials do not mix – they remain distinct from one another – but their marriage begets ...

dateOct 23, 2013 in Condensed Matter
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Can solar energy help save Greece?

What happens to renewable energy programs in a country that gets whacked by a full-scale debt crisis, like the one that struck Greece beginning in 2009—do the programs whither and die in the winds of austerity? And how ...

dateAug 14, 2013 in Energy & Green Tech
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3-in-1 optical skin cancer probe

As thousands of vacationers hit the beach this summer, many of them will expose their unprotected bare limbs to direct UV sunlight, potentially putting them at risk of skin cancer later in life. To fight ...

dateAug 05, 2014 in Analytical Chemistry
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