High-tech robotic fish can glide almost indefinitely...
Science Daily— A high-tech robotic fish hatched at Michigan State University has a new look. A new skill. And a new name.
MSU scientists have made a number of improvements on the fish,
including the ability to glide long distances, which is the most
important change to date. The fish now has the ability to glide through
the water practically indefinitely, using little to no energy, while
gathering valuable data that can aid in the cleaning of our lakes and
rivers.
Designed and built by Xiaobo Tan, MSU associate professor of
electrical and computer engineering, and his team, the fish is equipped
with an array of sensors that not only allow it to travel autonomously,
but also measure water temperature, quality and other pertinent facts.
"Swimming requires constant flapping of the tail," Tan said, "which
means the battery is constantly being discharged and typically wouldn't
last more than a few hours."
The disadvantage to gliding, he said, is that it is slower and less maneuverable.
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