| Title | Age |
|---|---|
| ATX power supply | 8 years, 9 weeks and 5 days |
| Bitcoin History | 8 years, 11 weeks and 6 days |
| History of Electricity | 8 years, 38 weeks and 15 hours |
| Silver | 8 years, 49 weeks and 2 days |
| Mining | 8 years, 49 weeks and 4 days |
| Blockchain | 8 years, 49 weeks and 4 days |
| Adolf Hitler | 8 years, 51 weeks and 8 hours |
| Black Sea | 9 years, 12 hours and 34 minutes |
| Ring (jewellery) | 9 years, 12 hours and 37 minutes |
| Gold mining | 9 years, 1 day and 14 hours |