https://www.vice.com/en_us/article/gyzkey/a-scientist-created-gravity-crystals-to-simulate-dead-stars-on-earth

“Gravity crystals” aren’t just consumable items in Fortnite anymore. A scientist has figured out how to use cheap household materials to create gravity crystals to study the exotic interiors of distant dead stars right here on Earth.

The new concept was developed by Alexander Bataller, a physicist at North Carolina State University, who will present his research this week at the annual meeting of the American Physical Society’s Division of Plasma Physics in Fort Lauderdale, Florida.