Strap yourself in for a long one, as Steadman and Lee catch you up with episodes 3 and 4 of Humans from Channel 4.
Headlines

Jumping robot uses a chemical reaction to move around without “hurting” itself
The US and Japan are going head-to-head in piloted robot wars!

Asimov’s second law
2, A robot must obey the orders given it by human beings, except where such orders would conflict with the First Law
A tool must perform its function efficiently unless this would harm the user. This is the entire reason ground-fault circuit interrupters (GFCI devices) exist. Any running tool will have its power cut if a circuit senses that some current is not returning to the neutral wire, and hence might be flowing through the user. The safety of the user is paramount.