Global fusion energy investments hit record $4.48 billion

Global investments in fusion energy hit a record of $4.48 billion in the ‌year since last July, according to a survey released this week, a milestone driven by hopes the emerging industry can help meet rising demand for electricity in the long term.

Fusion reactors, which are in the experimental stage, jam light atoms such as hydrogen ​together under extreme heat and pressure to produce large amounts of energy without releasing greenhouse gases or creating ​long-lasting nuclear waste....