Solar power generates electricity from what source?
The Hubble Space Telescope is named after which American astronomer?
Along with whom did Bill Gates found Microsoft?
Is the wavelength of infrared light too long or short to be seen by humans?
Did the Apple iPhone first become available in 2005, 2006 or 2007?
Nano, Shuffle, Classic and Touch are variations of what?
True or false? Nintendo was founded after the year 1900.
Firefox, Opera, Chrome, Safari and Explorer are types of what?
IBM is a well known computer and information technology company, what does IBM stand for?
What science fiction writer wrote the three laws of robotics?