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Showing posts from February 12, 2017

the best canary signing for training canary singing birds

the best canary signing for training canary singing birds The yellow canary was formerly placed in the genus Serinus but phylogenetic analysis using mitochondrial and nuclear DNA sequences found that the genus was polyphyletic The genus was therefore split and a number of species including the yellow canary were moved to the resurrected genus Crithagra the best canary signing for training by videotubox

Japan high-speed trains

  Japan high-speed trains How bullet trains are powered? The latest bullet trains are powered by magnetic levitation or maglev for short. Using electro-magnets, these trains can hover above the tracks, eliminating friction between train and track. One train has already reached a world record speed of 581 km per hour Japan high-speed trains by videotubox >