It's just a joke. It doesn't exist.
Nothing is clear enough to show that it is not serious, on the site, so it's worth precising.
A story from the same site that I quite enjoyed:
https://idlewords.com/2003/09/best_practices_for_time_travel...
Nothing is clear enough to show that it is not serious, on the site, so it's worth precising.
A story from the same site that I quite enjoyed:
https://idlewords.com/2003/09/best_practices_for_time_travel...
Nobody makes that even for oil, least for burritos lol.
https://news.ycombinator.com/item?id=9958407
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...
Search for videos of a copper ring falling slowly on a strong magnet (or vice versa); eddy currents create a strong magnetic field.