25/09/2012

Small X-band photoinjector packs powerful punch

(Phys.org)—Accelerator physicists at SLAC have started commissioning the world's most compact photoinjector – a device that spits out electrons when hit by light. Photoinjectors are used to generate electrons for free-electron ...

Rare Sumatran tiger gives birth to three cubs

A rare Sumatran tiger has given birth to three cubs at an Indonesian zoo, an official there said Tuesday, giving hope for the survival of the endangered species.

New LED packaging technology improves performance

(Phys.org)—Many researchers have reported improvements in LED technology by enhancing the properties of the LED itself. But the packaging that secures and protects the LED also impacts its overall performance. In a new ...

A new, automatic 3-D moon

Who doesn't love 3-D images, especially of objects in space? But creating them can be a bit time-consuming for scientists, especially for images from orbiting spacecraft like the Lunar Reconnaissance Orbiter that takes images ...

Dynamics of polymer chains atop different materials

(Phys.org)—Technologies such as microelectronics and lithography require nanoscale polymer films that sit atop various other materials. An understanding of the interplay between the dynamics of the thin film and the underlying ...

A look inside a burning rocket engine

Here's a bit of pretty amazing hobby rocket porn. Ben Krasnow walks us through—in a rather matter-of-fact way—of how he built a hybrid rocket engine in his shop using a piece of acrylic so he could see inside and watch ...

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