Physicists have created a new computer code that could speed up the design of the complicated magnets that shape the plasma in stellarators, making the systems simpler and more affordable to build.

The Moscow-based company Kaspersky Lab has acknowledged that its antivirus software took source code for a secret U.S. hacking tool from a personal computer in the United States.

An activist hacking group claimed it leaked thousands of Disney’s internal messaging channels, which included information about unreleased projects, raw images and some logins and computer codes.