Hacker Newsnew | past | comments | ask | show | jobs | submit | SamCritch's submissionslogin
1.Australian ‘Infinity Train’ uses gravity to recharge batteries (railtech.com)
2 points by SamCritch on March 4, 2022 | past | 3 comments

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: