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xperiment attempts to snare a dark energy ‘chameleon’（图）
xperiment attempts snare a dark energy chameleon
2015/9/9
If dark energy is hiding in our midst in the form of hypothetical particles called “chameleons,” Holger Müller and his team at UC Berkeley plan to flush them out.The results of an experiment reported ...
Some attempts at proving the non-existence of a full set of mutually unbiased bases in dimension 6
attempts non-existence of a full set mutually unbiased
2011/1/21
A set of k mutually unbiased bases (MUB) in CN is a set of orthonormal bases whose basis
vectors obey the following relations.
NASA will begin transmitting commands to its Mars exploration rover Spirit on Monday as part of an escape plan to free the venerable robot from its Martian sand trap. Spirit has been lodged at a site ...