Physics in the News

Wednesday June 25, 2014

The Curiosity rover has been on Mars for one Martian year. It celebrated by taking a selfie.

NASA’s Mars Curiosity Rover captures a selfie to mark a full Martian year — 687 Earth days — spent exploring the Red Planet. (NASA/JPL-Caltech/MSSS)

NASA’s Mars Curiosity Rover captures a selfie to mark a full Martian year — 687 Earth days — spent exploring the Red Planet. (Credit: NASA/JPL-Caltech/MSSS)

via washingtonpost

 

Cold white dwarf star is ‘Earth-size diamond in space’

Artist impression of a white dwarf star in orbit with pulsar PSR J2222-0137. It may be the coolest and dimmest white dwarf ever identified. (Credit: B. Saxton NRAO/AUI/NSF)

Artist impression of a white dwarf star in orbit with pulsar PSR J2222-0137. It may be the coolest and dimmest white dwarf ever identified. (Credit: B. Saxton NRAO/AUI/NSF)

via public.nrao.edu

 

LLNL researchers define boundaries for petawatt laser absorption

 Lawrence Livermore physicist Hui Chen sets up targets for an experiment using petawatt laser technology at the Jupiter Laser Facility.

Lawrence Livermore physicist Hui Chen sets up targets for an experiment using petawatt laser technology at the Jupiter Laser Facility.

via phys.org

 

How the Aged Vacuum Tube Could Save Moore’s Law

One of the bulbs Thomas Alva Edison used to discover thermionic emission (the Edison Effect) in 1884. Edison found when he connected an ammeter between the filament and the auxiliary electrode, a current would flow, passing through the evacuated space of the bulb from filament to electrode. This current was later found to consist of electrons.

via gizmodo

 

Measuring the mass of ‘massless’ electrons

This image shows professor Donhee Ham and his student Hosang Yoon are in the laboratory at the Harvard School of Engineering and Applied Sciences. (Credit: Eliza Grinnell, Harvard SEAS.)

This image shows professor Donhee Ham and his student Hosang Yoon are in the laboratory at the Harvard School of Engineering and Applied Sciences. (Credit: Eliza Grinnell, Harvard SEAS.)

via phys.org

 

Philosophy begins where physics ends, and physics begins where philosophy ends

Richard Feynman - Philosopher (Image: Washington University)

Richard Feynman – Physicist, Philosopher (Image: Washington University)

via scientificamerican

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