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Brain-computer interfaces raise many ethical questions about how and whether they should be used for certain applications. Wenjin Chen/DigitalVision Vectors via Getty Images

Brain-computer interfaces could allow soldiers to control weapons with their thoughts and turn off their fear – but the ethics of neurotechnology lags behind the science

From warfare to entertainment and VR, brain-computer interface development has extended beyond prosthetics for patients with disabilities. Missing is full ethical consideration of the consequences.
An engineer demonstrates a car phone five months before the historic first call on a competing company’s commercial mobile telephone service in 1946. Bettmann via Getty Images

The first mobile phone call was 75 years ago – what it takes for technologies to go from breakthrough to big time

The ubiquity of mobile phones is a defining feature of the 21st century, but it’s been possible to place a phone call on the go since shortly after World War II.
The Morpheus secure processor works like a puzzle that keeps changing before hackers have a chance to solve it. Alan de la Cruz via Unsplash

Shape-shifting computer chip thwarts an army of hackers

Most computer security focuses on software, but computer processors are vulnerable to hackers, too. An experimental secure processor changes its underlying structure before hackers can figure it out.
Over the last 50 years, a lot has changed in rocketry. The fuel that powers spaceflight might finally be changing too. CSA-Printstock/DIgital Vision Vectors via Getty Images

To safely explore the solar system and beyond, spaceships need to go faster – nuclear-powered rockets may be the answer

An update of 50-year-old regulations has kickstarted research into the next generation of rockets. Powered by nuclear fission, these new systems could be the key to faster, safer exploration of space.

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