Four-legged robots that scramble up stairs, stride over rubble, and stream inspection data — no preorder, no lab coat required.

A Hong Kong court has ruled that two Tiananmen vigil activists have a case to answer over calls to “end one-party rule” in China in a subversion trial under the Beijing-imposed national security law.

The FlySilicon Valley startup Eon Systems claims to have successfully uploaded the mind of a fly and placed it inside a ...