Shock twist in 2,000-year 'chicken or egg' dilemma
It is a difficult question to answer when all chickens come from eggs and all eggs come from chickens.The debate has been rumbling on for almost 2,000 years - ever since philosophers in Ancient Greece posed the question to highlight the problems of causality.But physicists from the University of Queensland and the Neel Institute believe they have found the answer: both can come first.When it comes to quantum physics, experts say cause and effect is not always as straightforward as one event leading to another.Dr Jacqui Romero, from the Australian Research Council, explained: "The weirdness of quantum mechanics means that events can happen without a set order."Take the example of your daily trip to work, where you travel partly by bus and partly by train."Normally, you would take the bus th...