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Category: Technology

Researchers find a way to fix the purple halo effect in images

The technology comprises a single-layer surface of nanopillars (pictured above), spaced less than a wavelength apart, which can be used to manipulate the phase, amplitude and polarization of light. It’s a simpler, cheaper and more efficient method of correcting chromatic aberrations, and can work alongside traditional refractive optical components in a wide range of high-volume applications.

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How Facebook’s Chaotic Push Into Video Cost Hundreds of Journalists Their Jobs

As media companies tried to divine the desires of the world’s biggest platform, they fired writers and lost their way. Facebook egregiously overstated the success of videos posted to its social network for years, exaggerating the time spent watching them by as much as 900 percent, a new legal filing claims. Citing 80,000 pages of internal Facebook documents, aggrieved advertisers further allege that the company knew about the problem for at least a year and did nothing.

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