This Is What A 2,000 Year-Old Lecture Hall Looks Like

This Is What A 2,000 Year-Old Lecture Hall Looks Like

Here’s What A 2,000 Year-Old Lecture Hall Looks Like Kom el Dikka, a 2nd century AD Roman amphitheater in Alexendria, Egypt, allowed for an audience of up to 800 people, and hosted lecture theater performances, and even wrestling events. There is also speculation that it might’ve been a full-fledged university. Its excavation began in the…

The Terrifying Physics Of Landing On Mars

Landing On Mars: The Terrifying Physics Approaching Mars at over 13,000 mph, the descent only slows to around 1000 mph after entering Mars’ atmosphere, at which point a 100 lb parachute will deploy, slowing the rover to around 370 mph, a little over half the speed of sound. At these speeds, the parachute must be…

End of content

End of content