Scientists achieve optical control of phase and group velocities in everyday liquids
The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...
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Buying household appliances? Check out new, used or refurbished items
You may be looking at buying a new appliance, say a washing machine, a vacuum cleaner or a set of speakers. But you may not necessarily need a brand new device. Around 60% of electrical items dumped ...
Meta is studying how humans and robots can collaborate on housework
Meta Friday announced PARTNR, a new program designed to study human-robot interaction (HRI). The research is specifically ...