A French company has created a road surface that turns pink when the air temperature drops to near freezing. Its purpose is to warn drivers of possible icy conditions on roadways. The color of the surface reverts to normal when it warms up.
The technology is still being tweaked to make sure it can stand up to constant traffic and exposure to summer temperatures.
(Source: New Scientist)
Similar Articles:
- It’s Fun to Know: Why the Early Bird Catches the Worm – Why are "early birds" able to feast on earthworms after a rainstorm? Worms usually hate co…
- The Loneliest Lemonade Stand – Last summer, my neighbor’s 10-year-old son, Spencer, set up a lemonade stand in front of his house. …
- Luxury Cave Living – Twenty million people in northern China are full-time residents of caves. The Chinese first turned t…
- Take Your Water Bottle With You When You Leave Your Car – You know that water bottle you carry with you everywhere? Or the bottles you use to feed your baby? …
- It’s Good to Know: Man-Made Thunderbolts – A group of French and German engineers are one step closer to creating lightning on command. Th…
- It’s Fun to Know: About Apollo 11 – When Neil Armstrong and Buzz Aldrin walked on the moon 40 years ago, it was a huge technological fea…
- It’s Fun to Know: The Largest Oil Reserves in the Solar System – Scientists have found a source of natural gas and oil hundreds of times larger than that found on Ea…