the.com/cesium
the metal so eager to react it explodes in water and runs the world's clocks.
defines secondOne second equals 9,192,631,770 cesium oscillations
melts in handLiquid at just 28°C, near body heat
violent swimmerHits water and detonates instantly
golden glowOne of only three golden-hued metals
atomic clocksKeeps GPS satellites accurate to nanoseconds