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March 2015 Issue

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March 2015 Issue

He just wanted to help some kids learn to code. Five million units later, his $35 computer has sparked a revolution

His networks of solar-powered phones can detect the sounds of illegal logging

The ACLU’s technologist exposes attacks on privacy by government agencies and corporate collaborators

He is inspiring students to tackle urgent problems in the developing world

This engineer at Underwriters Labs is a counterfeiter’s worst nightmare

His work on water purification, cookstoves, and arsenic removal has helped tens of millions of people worldwide

This roboticist has transformed robot soccer into a global phenomenon

Harvard's experimental forest is wired up and down to study how changing conditions affect entire ecosystems

Today's IoT is full of security flaws. We must do better

Industrial and enterprise apps are the near-term future of AR

Making computers unbeatable at Texas Hold ’em could lead to big breakthroughs in artificial intelligence

These four fixes will double the power of the world's greatest physics machine

Three microgrids show how diverse energy sources can supply power during disasters

Rather than generate more energy with exotic technologies, we could save it with proven ones, like insulation

Technology has transformed photos from treasured keepsakes to personal propaganda

Engineering historians teach the past to help make a better future

To solve engineering problems, the go-to machine used to be analog, not digital

Will a low-cost high-speed camera create new applications?

A modern version of a 1976 computer may be surprisingly useful

Program your own voice commands to control the Internet of Things

The mushrooms are real

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