The surprise finding was observed when the fluids moved through specially treated tiny tubes.
The elusive waves, once thought to be myths, are explained by the same math that's found in a wide range of settings.
For 20 years, scientists believed that gravity caused some popped bubbles to collapse; new experiments turn that understanding on its head.
This video animation helps to answer a puzzling shower thought.
In North America, water companies may lose up to 50% of water before it ever reaches customers.
The cloaked objects leave no wake.