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Move over, silicon switches: There’s a new way to compute

May 12th, 2019 at 2:18 am » Comments Off

Logic and memory devices, such as the hard drives in computers, now use nanomagnetic mechanisms to store and manipulate information. Unlike silicon transistors, which have fundamental efficiency limitations, they require no energy to maintain their magnetic state: Energy is needed only for reading and writing information. One method of controlling magnetism uses electrical current that […]



Alternatives to Facebook

March 11th, 2019 at 11:09 am » Comments Off

Facebook has been under relentless attack since the Cambridge Analytica scandal in early 2018. Broadcasters and news publishers have declared open season on Mark Zuckerberg, Sheryl Sandberg, and other senior executives at the company. And while not quite ubiquitous, #deletefacebook pops up every time there’s a story about data privacy. The EU has fined them, […]



Your digital identity has three layers, and you can only protect one of them

February 5th, 2019 at 3:06 am » Comments Off

Your online profile is less a reflection of you than a caricature. Whether you like it or not, commercial and public actors tend to trust the string of 1s and 0s that represent you more than the story you tell them. When filing a credit application at a bank or being recruited for a job, […]



World leaders at Davos call for global rules on tech

February 2nd, 2019 at 12:58 pm » Comments Off

  DAVOS, Switzerland — Leaders of Japan, South Africa, China and Germany issued a series of calls on Wednesday for global oversight of the tech sector, in a clear signal of growing international interest in seizing greater regulatory supervision of an industry led by the United States. Prime Minister Shinzo Abe of Japan said his […]



The ‘deep web’ may be 500 times bigger than the normal web. Its uses go well beyond buying drugs

September 9th, 2018 at 8:40 am » Comments Off

The dark web is a hidden portion of the internet that can only be accessed using special software. TOR, or The Onion Router, is a popular anonymous browsing network used to connect to the dark web. While the dark web offers anonymity and a way to bypass internet censorship, it is commonly associated with illegal […]



10 Unanswerable questions that neither science nor religion can answer