Researchers developed a flexible pipe with an interior helical structure that enhances fluid flow in one direction, for use in applications ranging from engineering to medicine. The design mimics the ...
Researchers developed a flexible pipe with an interior helical structure that enhances fluid flow in one direction, for use in applications ranging from engineering to medicine. The design mimics the ...
OK, here’s the deal — shopping for teens can be tricky and, depending on the teenager, can sometimes seem like a wild goose ...