AN OLD FLAME

摘要

Pushing back the night with light of our own making was the first and greatest of humankind's achievements. What a thrill it must have been to discover that the setting sun no longer had to mean darkness and fear. We've come a long way since that first campfire, but it's just recently that technology has topped the most advanced form of open-flame light. As a portable light source, only the LED flashlight is superior to the carbide miner's lamp, which had been the standard for brightness, weight and reliability since the early 1900s.