
Visualizing the 'matrix'
Magnetic resonance tomography (MRT) images are an important diagnostic tool. The achievable contrast depends on how well the nuclear spins that form the basis of the imaging signals can be controlle ... more
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Donuts, math, and superdense teleportation of quantum information
Putting a hole in the center of the donut--a mid-nineteenth-century invention--allows the deep-fried pastry to cook evenly, inside and out. As it turns out, the hole in the center of the donut also ... more
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NASA ISRO radar satellite beams first Earth images from space
Morocco High Atlas whistle language strives for survival
China warns Papua New Guinea over Australian defence deal
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How to cut a vortex into slices
A lot of problems, associated with the mixing of the liquid in the microchannels, could be solved via proper organization of the inhomogeneous slip on the walls of these channels.
This is the ... more
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A new tool measures the distance between phonon collisions
Today's computer chips pack billions of tiny transistors onto a plate of silicon within the width of a fingernail. Each transistor, just tens of nanometers wide, acts as a switch that, in concert wi ... more
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Physicists precisely measure interaction between atoms and carbon surfaces
Physicists at the University of Washington have conducted the most precise and controlled measurements yet of the interaction between the atoms and molecules that comprise air and the type of carbon ... more
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Exiled stars explode far from home
Sharp images obtained by the Hubble Space Telescope confirm that three supernovae discovered several years ago exploded in the dark emptiness of intergalactic space, having been flung from their hom ... more
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ESA heading towards removing space debris
ESA's goal of removing a derelict satellite from orbit is picking up pace, as a mission design is assembled to be put before European ministers next year for approval. The e.Deorbit mission came thr ... more
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