Why we need time machines: Access to the past would open all sorts of new possibilities of more than travel, scientists say.

The makers of Coors Light beer unveiled a new service for the coronavirus era: A "Clone Machine" to allow video conference attendees to leave their cameras without being missed.

We present a unified universal quantum cloning machine, which combines several different existing universal cloning machines together including the asymmetric case. In this unified framework, the ...

The machine can be ordered on the company's Internet site for US$9,199 ($16,580). The site also estimates that the cost of cloning a human to be about US$200,000 ($360,490).

The website claims that their product range will retail soon, with a starting price of $620 USD for a clone machine with about four times the power and storage of a similarly-priced Mac mini.