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Most lasers are either friendly tabletop devices or so small that you don’t even notice them. But if you want to do something special like image the structure of a delicate protein, you need a very short wavelength and very high-power laser. That means a free electron laser (FEL). I love FELs, but they’re expensive. […]
Fractals are a source of endless fascination to me. Life itself relies on many of the concepts of fractals: trees are fractal, as are feathers, coast lines, and many other things in nature. Indeed, it was the realization that landscapes are fractal that made modern animated films possible. But, what about fractional dimensions in quantum […]
Enlarge / Each of these layers shapes the light that reaches the one behind it, performing calculations in the process. (credit: Ozcan Lab, UCLA) Neural networks have a reputation for being computationally expensive. But only the training portion of things really stresses most computer hardware, since it involves regular evaluations of performance and constant trips […]
– The 2017 Kia Optima PHEV adds plug-in capability and EV-only operation to the Optima hybrid’s already well-rounded attributes and agreeable personality. That said, its familiar shape does get a few touches shared with the Optima hybrid that are aimed at reducing drag: a slightly redesigned, model-specific front fascia with active grille shutters that close […]
