The call of a kookaburra.
[📹 San Diego Zoo]
A visualization of human population growth over the last 2000 years.
The Flame Thrower Pipe Organ
[📹 elkins_engineering_llc]
The sheer size of the Hitachi EH4000AC-5
[📹 gadgetglimpse]
A ball balancing plate.
[📹 chudung0038]
HD Drone footage from the Final Experiment above Union Glacier, Antarctica at 1,500 meters (4,921 feet)
[📹 Will Duffy]
