Selective Hearing
Originally developed for soldiers, these earplugs can muffle loud noises while admitting or amplifying soft ones. This allows soldiers (or hunters or construction workers) to listen to conversations and other important sounds around them while protecting their hearing from the din of machinery or deafening blasts.
Product: EB15
Cost: $500
Availability: Now
Source: www.etymotic.com
Companies: Etymotic Research
Keep Reading
Most Popular
A quick guide to the most important AI law you’ve never heard of
The European Union is planning new legislation aimed at curbing the worst harms associated with artificial intelligence.
It will soon be easy for self-driving cars to hide in plain sight. We shouldn’t let them.
If they ever hit our roads for real, other drivers need to know exactly what they are.
Crypto is weathering a bitter storm. Some still hold on for dear life.
When a cryptocurrency’s value is theoretical, what happens if people quit believing?
Artificial intelligence is creating a new colonial world order
An MIT Technology Review series investigates how AI is enriching a powerful few by dispossessing communities that have been dispossessed before.
Stay connected
Illustration by Rose WongGet the latest updates from
MIT Technology Review
Discover special offers, top stories, upcoming events, and more.