Technology

A new SpaceX jumbo rocket built to be the world's most powerful launch vehicle in operation blasted off from Florida on Tuesday in its debut test launch in a milestone for Silicon Valley billionaire entrepreneur Elon Musk's rocket company.

Bitcoin is digital money used for secure and instant transfer of value anywhere in the world. It is not controlled or issued by any bank or government - instead it is an open network which is managed by its users. Much in the way email improved communication by making it fast and cheap, bitcoin is an improvement on existing payment methods which were not designed for the internet era.