71.3 F
Clarksville
Thursday, June 5, 2025
Home Nanoparticles of a car engine lubricant seen under an electron microscope. The particles’ sticky side builds up layers until there isn’t any more friction. (TriboTEX) Nanoparticles of a car engine lubricant seen under an electron microscope. The particles' sticky side builds up layers until there isn't any more friction. (TriboTEX)

Nanoparticles of a car engine lubricant seen under an electron microscope. The particles’ sticky side builds up layers until there isn’t any more friction. (TriboTEX)

Nanoparticles of a car engine lubricant seen under an electron microscope. The particles' sticky side builds up layers until there isn't any more friction. (TriboTEX)

Nanoparticles of a car engine lubricant seen under an electron microscope. The particles’ sticky side builds up layers until there isn’t any more friction. (TriboTEX)

Space shuttle Atlantis nears touchdown on Runway 33 at the Shuttle Landing Facility at NASA’s Kennedy Space Center in Florida. (NASA/Tony Gray/Tom Farrar)
Astronaut Andrew Feustel watched cars on the Daytona International Speedway in 2008. (NASA)

EDITOR PICKS

UPCOMING EVENTS

POPULAR CATEGORIES

ABOUT US

Clarksville Online is a digital newspaper for the Clarksville-Montgomery County area. Clarksville Online provides the latest news, sports and entertainment information. For Clarksville News now it's Clarksville Online. The Voice of Clarksville Tennessee.

Contact us: contactus@clarksvilleonline.com

FOLLOW US

©2025 Clarksville Online

Clarksville Online - Clarksville News, Sports, Events and Information