Tech Know: Pole-dancing and chain-smoking robots

Hip-gyrating and chain-smoking robots are among a collection of animated mannequins built by an artist who specialises in using technology.

Giles Walker uses ordinary objects like windscreen wipers to recreate humans robotically.

His creations are based on people he has met.

Ellie Gibson has been to see his work - as well as a fellow artist's light switches, that are designed to disgust people.