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Toward optical quantum computing

MIT researchers’ new silicon photonic-crystal design, which enables photon-photon interactions at room temperature, could point the way toward all-optical quantum computing.

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Two-part system turns stem cells into whatever you want

Whether using embryonic or adult stem cells, coercing these master cells to convert to the desired target cell and reproduce flawlessly is difficult. Now an international team of researchers has a two-part system that can convert the cells to the targets and then remove the remnants of that conversion, leaving only the desired DNA behind to duplicate.