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First Battery-Free Cellphone Makes Calls by Harvesting Ambient Power

By Jennifer Langston | University of Washington on Jul 7, 2017   Featured, Science/Education  

First Battery-Free Cellphone Makes Calls by Harvesting Ambient Power

University of Washington researchers have invented a cellphone that requires no batteries — a major leap forward in moving beyond chargers, cords and dying phones. Instead, the phone harvests the few microwatts of power it requires from either ambient radio signals or light. The team also made Skype calls using its battery-free phone, demonstrating that the prototype […]

Singing Posters and Talking Shirts

By Jennifer Langston | University of Washington on Mar 5, 2017   Featured, Science/Education  

Singing Posters and Talking Shirts

Imagine you’re waiting in your car and a poster for a concert from a local band catches your eye. What if you could just tune your car to a radio station and actually listen to that band’s music? Or perhaps you see the poster on the side of a bus stop. What if it could […]

UW Team Stores Digital Images in DNA — and Retrieves Them Perfectly

By Jennifer Langston | University of Washington on Apr 8, 2016   Featured, Science/Education  

UW Team Stores Digital Images in DNA — and Retrieves Them Perfectly

Technology companies routinely build sprawling data centers to store all the baby pictures, financial transactions, funny cat videos and email messages its users hoard. But a new technique developed by University of Washington and Microsoft researchers could shrink the space needed to store digital data that today would fill a Walmart supercenter down to the […]

UW Scientists Build a Nanolaser Using a Single Atomic Sheet

By Jennifer Langston | University of Washington on Mar 24, 2015   Science/Education  

UW Scientists Build a Nanolaser Using a Single Atomic Sheet

University of Washington scientists have built a new nanometer-sized laser — using the thinnest semiconductor available today — that is energy efficient, easy to build and compatible with existing electronics. Lasers play essential roles in countless technologies, from medical therapies to metal cutters to electronic gadgets. But to meet modern needs in computation, communications, imaging […]

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