3 ms·
looks similar to the method used by the ancient Romans http://www.phy6.org/outreach/edu/roman.htm http://www.phy6.org/outreach/edu/roman.htm
by joe24pack 16y ago
looks similar to the method used by the ancient Romans
http://www.phy6.org/outreach/edu/roman.htm http://www.phy6.org/outreach/edu/roman.htm