Using feedback from the prosthetic hand in the form of electrical impulses, the patients succeeded in distinguishing between items of various sizes, as well as between soft and hard objects by touch.

A cylinder-shaped object (C), believed to have been thrown during Prime Minister Fumio Kishida’s campaign, is seen on the ground in Wakayama on April 15, 2023. JIJI Press/AFP via Getty Images.

A cylinder-shaped object believed to have been thrown during prime minister Fumio Kishida’s campaign speech (JIJI Press/AFP via Getty) ...

Three objects are now believed to be research or commercial-use balloons; ... The cylinder-shaped object. The object was shot down in Canadian airspace at 3:41 p.m. EST, Feb. 11.