Successive administrations and policymakers in both parties dismissed the tools of industrial policy as economically inefficient or politically suspect, even as government-led innovation never went ...

Abstract: Consider the conditional mean estimator of the random variable X from the noisy observation Y = X + N where N is zero mean Gaussian with variance σ 2 (i.e., E[X|Y]). This work characterizes ...

Abstract: The conditional mean is a fundamental and important quantity whose applications include the theories of estimation and rate-distortion. It is also notoriously difficult to work with. This ...

A tool for spotting pancreatic cancer in routine CT scans has had promising results, one example of how China is racing to apply A.I. to medicine’s tough problems. Self-service kiosks at the ...