Samsung develops ultrasonic smartphone case to help visually impaired sense their surroundings

ultrasonic cover

Samsung ultrasonic smartphone cover for the visually impaired.

A smartphone case that helps the visually impaired by enhancing their awareness of their surroundings has been developed by Samsung. The Ultrasonic Cover for its Galaxy Core Advance smartphone helps owners sense the presence of people and objects up to two meters away.

 

 

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The dangers of stock trading with highly automated systems

High-frequency trading.

Futurist Brian David Johnson describes his job as a “futurehunter” and his fascination with both algorithmic trading and high-frequency trading (HFT) in this excerpt from Humanity in the Machine: What Comes after Greed?. Both methods use computer programs to automate and accelerate the execution of certain financial transactions. Yet heavy reliance on such technology in the finance world can be dangerous—the Flash Crash of 2010 cited by Johnson stands out as a prominent example.

 

 

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