Define safe? Is driving a car safe? If yes, then yes. There's plenty of evidence to show they are HIGHLY unlikely to cause a lethal reaction. Like in the 'you're more likely to be struck by lightning' sense.

If by safe, you mean guaranteed not to harm anyone ever, then no.

Define safe? Is driving a car safe? If yes, then yes. There's plenty of evidence to show they are HIGHLY unlikely to cause a reaction. Like in the 'you're more likely to be struck by lightning' sense.

If by safe, you mean guaranteed not to harm anyone ever, then no.