Students test the inflated bag as a possible flotation device for a model cell phone made of clay. Students will test smaller amounts of citric acid and baking soda to determine the optimum amounts ...

Archaeologists don't always use flotation devices for every project, but these machines can help them find much smaller artefacts and ecofacts than the more commonly used mesh screens that sift the ...

PITTSBURGH, March 10, 2025 /PRNewswire/ -- "I wanted to create a hands-free floatation device for relaxing in the water," said an inventor, from Sacramento, Calif., "so I invented the PARTY FLOATY.