July 15 Nicola Tesla day, know what things he gave us .. http://theoatmeal.com/comics/tesla
1 jogap
alternating current, radar, light bulb, wireless energy transfer ..
Ýazylan saýty: ertir.com · Çeşme: Web Archive nusgasy — ertir.com, 2 awgust 2012 ý. · Asyl sahypany gör ↗