Do You Know?
How Lightning Gets Hotter Than the Surface of the Sun
A single lightning bolt can reach temperatures of about 30,000 Kelvin—roughly five times hotter than the sun's surface—in just a fraction of a second.
06 Sep 2026Do You Know?
Do You Know?
The Antikythera Mechanism: A 2,000-Year-Old Analog Computer
Ancient Greeks built a sophisticated mechanical device 2,000 years ago that could predict astronomical events with stunning accuracy—predating modern computers by nearly two millennia.
06 Sep 2026
Do You Know?
Why the Eiffel Tower Grows Taller in Summer
The Eiffel Tower actually expands by up to 15 centimetres on hot summer days because metal naturally stretches when heated.
06 Sep 2026