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Wearable Technology Explained: From Step Counters to Smart Rings
A plain-language survey of wearable devices, from step counters and smartwatches to rings, patches and headsets, and what each type can actually sense.
Connected World
Wearables and Body Tech
Devices worn on or near the body and what they can really tell us.
Brain-Computer Interfaces: Reading Signals from the Brain
How brain-computer interfaces record and interpret neural signals, the main approaches, what research has shown so far and what remains out of reach.
Exoskeletons and Assistive Technology Explained
What powered exoskeletons and related assistive devices are, how they sense and support movement, and where they are used in rehabilitation, mobility and work.
Health Data from Wearables: Who Sees It and Why It Matters
Wearable health data can reveal more than step counts. Learn who may have access, how it can be misread, and sensible habits for protecting and interpreting it.
How Smartwatches Measure Heart Rate and Movement
How the green lights and motion sensors in a smartwatch estimate pulse, steps and activity, why readings go wrong, and what they should not be used for.
Prosthetics and Bionic Limbs: How the Technology Works
A general explanation of how modern prosthetic and bionic limbs sense a user's intent, control motors, and provide feedback, plus the limits that remain.
Sleep Trackers: What They Estimate and What They Cannot Tell You
How consumer sleep trackers estimate sleep from movement and pulse, why their stages are approximate, and when to talk to a professional about sleep concerns.
Smart Glasses and the Idea of Computing You Wear on Your Face
What smart glasses are, the display, battery and comfort problems that make them hard to build, and the social and privacy questions of cameras on faces.
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