What can travel round the world while staying in a corner?

What is the appropriate metric unit of height of a telephone pole? What kind of musket was used in colonial era? Do people with braces are more likely to get more cavities than people without braces? Why didnt anything happen on 2012? Is 2022 going to happen? Who is the founder of chalukya dynasty? Why did the us send military forces into Grenada? Was feudalism concerned with the lower class? Which is better Oxford or Cambridge university? What ruler was the patron of Francisco Pizarro? What is Katherine Parr motto? What three Native American tribes have reservations in Texas? What 16th century establishment in London's Bread Street was a notable writers' haunt? Why did the Egyptians weep when they harvested their corn? What year was the 54 Massachusetts? What is Korean money called? When and where was baseball player Carl Sadler born? What do they ask you to do in church? How did they reconcile their own religious dissent from the Church of England with their persecution of dissenters like Anne Hutchinson and Roger Williams? Why did the muhgal empire decline after the reign of akbar?

What can travel round the world while staying in a corner?