BEPPU, Japan (AFP) — Using geothermal resources to generate electricity is a divisive prospect in Japan, but there is little disagreement about another use for it: natural steam for cooking. The geothermal sources that make Japan a haven for hot springs or onsen are also used to produce a range of delicacies. There’s the “onsen tamago” — eggs cooked in geothermally heated water at around 65 degrees (149 degrees Fahrenheit) to produce a relatively firm […]