Through technology, staff are in better communication and are able to manage inmates with minimal physical contact that can bring violence, he said.

NPR: Mood Tense On 20th Anniversary Of Ohio Prison Riot

They can have physical contact with children - something now frowned upon or forbidden in schools.

BBC: When are we going to learn to trust robots?

None of its employees have any physical contact with products.

FORBES: Ghost cars, ghost brands

"Scientists do not know to what extent flu viruses spread through the air or whether infection requires physical contact with contaminated fluids or surfaces, " a summary of the report says.

CNN: Report on handling H1N1 cases: Use masks with airtight seals

The Leicestershire study also found that, as nursing has become more high-tech, there is less physical contact with patients, so nurses are using massage to compensate and to demonstrate care for patients.

ECONOMIST: Health

One man explained in great detail his "physical and psychic contact" with green aliens since he was a child.

BBC: Files released on UFO sightings