Fusion power could provide a steady, zero-emissions source of electricity in the future—if companies can get plants built and running. But a new study suggests that even if that future arrives, it might not come cheap. Technologies tend to get less expensive over time. Lithium-ion batteries are now about 90% cheaper than they were in…
Two hackers broke into the computer of a North Korean government hacker and leaked its contents, offering a rare glimpse inside the secretive nation’s spying operations.