Chinese researchers propose robots that swim upstream in blood

BEIJING, Dec. 16 (Xinhua) -- Chinese researchers have proposed an on-wall-rotating strategy for untethered magnetic millirobots to move upstream in blood vessels, according to a study published in the journal IEEE Xplore.

Cardiovascular disease (CVD) is one of the leading causes of death worldwide, and approximately 80 percent of CVD deaths are caused by heart attack and stroke.

Despite the many types of