How virtual reality was invented, the history of VR, Morton Heilig, Ivan Sutherland,杰伦·兰尼, helmet, sensorama, Damocles' sword.
Why do people burn out at work
Learn why the height of Mount Everest changes: the influence of plate tectonics, isostatic rebound from river erosion, and global warming. An explanation of geological processes.
Day of the Angelic Maiden in Costa Rica, the patroness of the Americas
20-year triumph of Joanne Rowling and her beloved hero Harry Potter
Sveitsiske konfederasjon - et eksempel på historisk langvarig stabilitet
Innovative effekter i musikk av Igor Stravinsky
The Mediterranean Sea and its protection for the future of three continents
Please look after this bear - and this is about Paddington.
Phytoplankton and the Future of the Planet
Ocean ecosystem and plastic
Soda is a celebration, summer, friendship
Nap during the day without feeling guilty