La découpeuse à fil chaud – Minicut 2D

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La Techno fait son Show ! Eric Robuchon

Ring Around Tabby’s Star
This Oct. 4, 2017, illustration shows a hypothetical uneven ring of dust orbiting KIC 8462852, also known as Boyajian’s Star or Tabby’s Star. The star has experienced unusual dips in brightness over a matter of days, as well as much subtler but longer-term dimming trends. Scientists proposed several explanations for this unexpected behavior, ranging from […]
Ready, Set, Action! Our Sun is the Star in Dazzling Simulation
NASA supercomputers are shedding light on what causes some of the Sun’s most complex behaviors. Using data from the suite of active Sun-watching spacecraft currently observing the star at the heart of our solar system, researchers can explore solar dynamics like never before. The animation shows the strength of the turbulent motions of the Sun’s inner layers […]
NASA: Mystery of Life’s Handedness Deepens
The mystery of why life uses molecules with specific orientations has deepened with a NASA-funded discovery that RNA — a key molecule thought to have potentially held the instructions for life before DNA emerged — can favor making the building blocks of proteins in either the left-hand or the right-hand orientation. Resolving this mystery could […]