Home
Reviews
Best in Tech
Hands-On
View all Reviews
Buying Guides
Best Wireless Earbuds
Best Robot Vacuums
Best Laptops
Best Gaming Laptops
Best Bluetooth Trackers
Best Webcams
View all Buying Guides
Gaming
Best Games
PlayStation
Nintendo
Xbox
View all Gaming
Gear
Amazon
Apple
Google
Microsoft
Samsung
View all Gear
Entertainment
Movies
Music
TV
YouTube
View all Entertainment
Tomorrow
Space
AI
Robotics
Transportation
View all Tomorrow
Deals
News
Video
Podcasts
Login
Sign up
Engadget
Login
Reviews
Best in Tech
Hands-On
View all Reviews
Buying Guides
Best Wireless Earbuds
Best Robot Vacuums
Best Laptops
Best Gaming Laptops
Best Bluetooth Trackers
Best Webcams
View all Buying Guides
Gaming
Best Games
PlayStation
Nintendo
Xbox
View all Gaming
Gear
Amazon
Apple
Google
Microsoft
Samsung
View all Gear
Entertainment
Movies
Music
TV
YouTube
View all Entertainment
Tomorrow
Space
AI
Robotics
Transportation
View all Tomorrow
Deals
News
Video
Podcasts
Facebook
Twitter
YouTube
Sections
Reviews
Buying Guides
Gaming
Gear
Entertainment
Tomorrow
Deals
News
Video
Podcasts
Login
low frequency radio
Teenager invents low-frequency radio for underground communications
By
V. Savov
, 02.01.2010
Sponsored Links
