The Invisible Shield: The Epic Journey from Shrapnel to Light Speed
The year is 1915. A cold wind sweeps across the Thames as the citizens of London look up, not in wonder, but in terror. A massive, cigar-shaped shadow—a German Zeppelin—drifts silently through the clouds. Below, desperate soldiers crank manual wheels on modified field guns, firing blindly into the dark. Thousands of shells scream upward, yet…