| ▲ | Why did Clovis toolmakers choose difficult quartz crystal?(phys.org) | |
| 5 points by PaulHoule 8 hours ago | 1 comments | ||
| ▲ | mring33621 8 hours ago | parent [-] | |
Because it looks cool! | ||
| ▲ | Why did Clovis toolmakers choose difficult quartz crystal?(phys.org) | |
| 5 points by PaulHoule 8 hours ago | 1 comments | ||
| ▲ | mring33621 8 hours ago | parent [-] | |
Because it looks cool! | ||