Chapter 1
The smart ring revolution
Chapter 2
Smart patches and the sweat whisperers
Chapter 3
Threads with a pulse
Chapter 4
Hearables and the secrets of the ear
Ch 4 · Hearables and the secrets of the ear
futura Unlike skin that cools in cold weather, the ear canal sits near blood vessels, letting earbuds measure core temperature, oxygen, and brain activity.
Quiz
Why is the ear canal a superior location for measuring core body temperature compared to the wrist?
Quiz
What state of deep, effortless concentration can focus-tracking earbuds help you identify and maintain?
Quiz
What type of electrical signals do EEG-equipped earbuds detect from the skin of your ear canal?
Fun Fact
Ear temperature: The first ear thermometer was invented in 1964 by Theodor Benzinger, who realized the ear canal shared blood vessels directly with the hypothalamus.
Quiz
What is the name of the delicate sensory cells in the inner ear that smart earbuds help protect from loud noises?
Quiz
Above what decibel (dB) level can prolonged exposure cause permanent damage to your hearing?
Glossary
hearable (noun)
A wireless ear-worn electronic device that integrates audio functions with smart capabilities such as health monitoring. In 2018, Starkey introduced the first model featuring embedded motion sensors for tracking physical health.
A wireless ear-worn electronic device that integrates audio functions with smart capabilities such as health monitoring. In 2018, Starkey introduced the first model featuring embedded motion sensors for tracking physical health.
futura Ear-Level Fall Detection
Your neck keeps your head steady when you move around, So ear-worn sensors know if you have hit the ground.
Quiz
Which natural system located inside the human ear is responsible for our sense of balance?
Quiz
Which dual sensors are placed inside smart earbuds to track head movement and detect sudden falls?