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Submission + - Researchers create gravity in lab experiment

jcgam69 writes: Scientists funded by the European Space Agency have measured the gravitational equivalent of a magnetic field for the first time in a laboratory. Under certain special conditions the effect is much larger than expected from general relativity and could help physicists to make a significant step towards the long-sought-after quantum theory of gravity.
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Submission + - Scientists create attosecond(1e-18s) laser. (laserfocusworld.com)

BytePusher writes: "Collaborators at CEN Saclay (Gif-sur-Yvette, France), École Polytechnique (Palaiseau, France), and the University of Toronto (Toronto, Ont., Canada) have used a chain of plasma mirrors to create extreme-ultraviolet (EUV) pulses that they predict to be on the attosecond timescale, all with a tabletop laser." http://www.laserfocusworld.com/display_article/294 636/12/ARCHI/none/News/ULTRAFAST-LASERS:-Plasma-mi rrors-generate-high-harmonics

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"Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much nearer the truth. -- Alfred North Whitehead

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