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Tech Time Machine: 22 March

Can mankind survive a journey to Mars? And what do you do when the name of your best-selling product can't be trademarked? These important questions were answered on this day in history.

Can mankind survive a journey to Mars? And what do you do when the name of your best-selling product can't be trademarked? These important questions were answered on this day in history.

Find out more about a cosmonaut's record-smashing feat of endurance and the day that Intel said goodbye to an old friend on this edition of Tech Time Machine.