Search for:

Science
Technology
- AI
- Aviation
- Engineering
- Internet
- Military
- Photography
- Robots
- Security
- Best of What's New
- Vehicles
Environment
DIY
Gear
- Audio
- Cameras
- Computers
- Fitness Gear
- Gaming
- Gift Guides
- Home
- Home Theater
- Outdoor Gear
- Phones
- Tablets
- Wearables
MERCH
- Cover Art
- Store
Newsletter

Search for:

Rui Bo / The Conversation

Content Partner

More from Rui Bo / The Conversation

Power line marker balls are used for safety of low flying aircrafts and to protect the electrical infrastructure. They make the power lines more visible especially during inclement weather.

What are those orange balls on some power lines?

By Rui Bo / The Conversation

Get the Popular Science daily newsletter💡

Breakthroughs, discoveries, and DIY tips sent six days a week.

Thank you! Email address

Terms of Service and Privacy Policy.

Editorial Standards
How We Test and Review Products
About Us
Contact Us

TV Channel
Privacy Policy
Terms & Conditions
Affiliate Disclosure
Sitemap
Deposit Photos

FOLLOW US

DISCLAIMER(S)

Articles may contain affiliate links which enable us to share in the revenue of any purchases made.Registration on or use of this site constitutes acceptance of our Terms of Service.

© 2026 Recurrent. All rights reserved.

Do Not Sell or Share My Personal Information.

Science
Technology
Environment
DIY
Gear
Merch
SHOP