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Scientific investigations reveal that companies have amassed tens of millions of hours of brain-wave data from neurotechnology-enabled headbands, and they face few restrictions on how this data is used.
Half an hour before bed, Adnan Jinnah sits in a chair and puts on a headband. It looks like something a tennis player might wear, except for a large, rectangular button on the front. When he’s ready to sleep, he lies down, presses the button, and launches an app on his phone. "That’s basically it," he says.
While he sleeps, sensors in the device capture Jinnah’s brain activity, heart rate, blood flow, and brain oxygenation. These signals are then interpreted by algorithms that provide data on his sleep quality, which he can review in the morning.
The device, known as the Muse headband, was developed by the Canadian consumer neurotechnology company Interaxon. Jinnah, who lives in Leicester, England, has struggled with…
Empresas de construção e mineração estão implementando dispositivos que monitoram a fadiga dos trabalhadores. Críticos afirmam que a tecnologia pode ser usada indevidamente pelas autoridades.
At first glance, there is nothing unusual about the uniforms worn by construction workers. They wear fluorescent orange gear, sturdy footwear, and yellow hard hats. But hidden inside these hard hats—manufactured by Huanao Security (Beijing) Technology—are various sensors that monitor the workers. Some record their movements; others track their blood oxygen levels; and still others collect the employees' most private and sensitive information: their brain data.
Based on these recordings, Huanao Security’s algorithm generates metrics that help determine everything from a worker’s level of fatigue or stress to whether their body temperature is abnormal. The device is used at every stage of the job, including for screening workers before their shifts begin and for monitoring them while they are on the clock.
The hard hats,…
The largest analysis ever carried out on the impact of man-made sounds reveals damage to several ecosystems.
Scientists have long known that noise from human activities—from the roar of jet engines to the whir of ship propellers—can harm animals, stunting their growth and even decomposing their eggs. But it was unclear how widespread the problem was.
A comprehensive analysis published today in the journal Science reveals that the impacts are much more widespread than even researchers imagined. Data from 177 terrestrial and aquatic species show that the vast majority are affected by sound in some way, fundamentally altering their biology and behavior, and causing the premature death of many of them.
“Everywhere we are, we introduce noise,” says neuroecologist Lucille Chapuis of La Trobe University, who was not involved in the study. “Just look at almost any species; noise will have some effect.”
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