Communications

Like smoke signals, puffs of warm air given off by a computer’s processors can reveal information

Books and recommendations from Scientific American MIND

Despite a wide selection of smartwatches for men, smaller, fashionable versions designed for women have only recently become available—and their choices are limited

Background app updates, cell tower pings and other hidden activity accounts for almost half the battery drain on Android phones. Christopher Intagliata reports

State and local law enforcement agencies across the U.S. are setting up fake cell towers to gather mobile data, but few will admit it

Wireless companies want next-generation gadgets to download at rates of gigabits per second. The question is how to make it happen

The race to make a medical diagnostic device inspired by Star Trek enters the final stage this month, as consumers put competing designs to the test

Building on advances in object recognition, machine translation and neural networks, scientists have developed software that converts pictures into sentences

Tweets can provide real-time flood maps

What are satellites? How do we use them? And why are there so many of them hanging out in Earth's orbit? Everyday Einstein answers these and many other questions about satellites.

A detailed look at why computers running the U.S. electrical infrastructure are so vulnerable to digital threats