Chinese Farmer’s Homemade Submarine: Dives 8 Meters for Under $800
A 60-year-old farmer, Zhang Shengwu, has captured global attention by building a homemade submarine in...
innovación robótica
Chinese Scientists Create Cell Phone Battery That Endures -30°C for 4,500 Hours
Researchers from Tsinghua Shenzhen International Graduate School and Tianjin University in China have developed an...