Security

The curious case of the $600 million crypto heist

Cryptocurrency investors have been transfixed over the past few days by the antics of a mysterious hacker who stole more than $600 million—before gradually giving it back.

Internet

Mass scale manipulation of Twitter Trends discovered

New EPFL research has found that almost half of local Twitter trending topics in Turkey are fake, a scale of manipulation previously unheard of. It also proves for the first time that many trends are created solely by bots ...

Business

Samsung intensifies chip wars with bet it can catch TSMC by 2022

Samsung Electronics Co. is pouring $116 billion into its next-generation chip business that includes fabricating silicon for external clients, betting it can finally close the gap on industry leader Taiwan Semiconductor Manufacturing ...

Electronics & Semiconductors

OPD optical sensors that reproduce any color

Photodiodes are optical sensors that convert the energy of light into electrical energy. Organic photodiodes (OPDs) respond quickly and have the advantage of being able to realize colors free from color filters because they ...

Other

California COVID-19 traffic report finds silver lining

Traffic accidents and crash-related injuries and deaths were reduced by half during the first three weeks of California's shelter-in-place order, which began March 20. The reductions save the state an estimated $40 million ...

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