Doing away with the electric leads connected to fuel gauges in car and
aircraft fuel tanks could improve safety, say engineers at Penn State
University, so they have developed an optical fuel gauge. Srivatsan Chakravarthy
shines a pair of intersecting light beams through a window in the top of the
tank. The distance between the two spots where the beams strike the surface of
the fuel reveals how full the tank is. Chakravarthy is now refining the system
to cope with jolting, sloshing fuel in a fast moving vehicle.
To continue reading, today with our introductory offers
Advertisement
More from Â鶹´«Ã½
Explore the latest news, articles and features
Popular articles
Trending Â鶹´«Ã½ articles
1
Neanderthal infants were enormous compared with modern humans
2
The rise, the fall and the rebound of cyclic cosmology
3
Largest ever map of universe captures 47 million galaxies and quasars
4
Collapse of key ocean current may release billions of tonnes of carbon
5
The biggest threat to Chernobyl is no longer radiation
6
Monkeys walk around a virtual world using only their thoughts
7
Why cloning anyone – even Jim Carrey – isn't the best plan ever
8
How autoimmune conditions can unexpectedly drive mental illness
9
The stunning physics of Project Hail Mary go back to ancient China
10
Probiotic cream that ramps up heat production could prevent frostbite
