Topic
design
5 questions tagged design — spanning every one of the seven Ws.
why
Why are manhole covers round?
A circle cannot fall through a slightly smaller circular hole, and round covers are easy to roll and need no alignment.
engineeringdesign
whose
Whose Creation Is Hello Kitty?
Hello Kitty was created by the Japanese company Sanrio in 1974, originally designed by Yuko Shimizu.
japanculturedesign
whose
Whose Invention Was the Lava Lamp?
The lava lamp was invented by British entrepreneur Edward Craven Walker, who launched it in 1963.
inventionsdesignbritain
whose
Whose design is Fallingwater?
Fallingwater was designed by the American architect Frank Lloyd Wright and built between 1936 and 1939 over a waterfall in Pennsylvania.
architectureUSAdesign
what
What is the tiny hole in a pen cap for?
It is a safety feature. If a child swallows the cap and it gets stuck in the airway, the hole lets some air pass through. An international standard for pen caps calls for it.
Everyday lifeDesign