Personal Tech

Why can’t we fix our own electronic devices

Why can’t we fix our own electronic devices?

Traditionally, when a car breaks down, the solution has been to fix it. Repair manuals, knowledgeable mechanics and auto parts stores make car repairs...
Keeping smartphones nearby makes us dumber

Keeping smartphones nearby makes us dumber

New research indicates that our cognitive capacity is reduced whenever our phones are within reach—whether it’s turned on or off. Adrian Ward and coauthors conducted...
Can games actually boost your brain

Can games actually boost your brain? Not really

Sites like Lumosity not only have no effect on decision-making, but also have no effect on cognitive function beyond practice effects on the games themselves, research...
This cell phone doesn’t need any batteries

This cell phone doesn’t need any batteries

Instead of batteries, a new cell phone harvests the few microwatts of power it needs from a different source: ambient radio signals or light. Researchers...
Near-Zero-Power Temperature Sensor

Near-zero-power temperature sensor could make wearables, smart devices less power-hungry

Electrical engineers at the University of California San Diego have developed a temperature sensor that runs on only 113 picowatts of power -- 628...
First battery-free cellphone makes calls by harvesting ambient power

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...
Open ports leave a hole in smartphone security

Open ports leave a hole in smartphone security

Smartphone apps that use “open ports” to share and receive data are more vulnerable to security breaches than previously thought, mainly due to the...
Understanding the real innovation behind the iPhone

Understanding the real innovation behind the iPhone

When the iPhone emerged in 2007, it came with all the promise and pomp of a major Steve Jobs announcement, highlighting its user interface...
Your brain power reduces a lot when your smartphone is within reach

Your brain power reduces a lot when your smartphone is within reach

Your cognitive capacity is significantly reduced when your smartphone is within reach — even if it’s off. That’s the takeaway finding from a new study...
How secure are today’s ATMs

How secure are today’s ATMs? 5 questions answered

Editor’s note: Automated teller machines, better known as ATMs, are turning 50 on June 27. Computer science professor Pradeep Atrey, from the University at...

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