I saw Halley's Comet during its appearance in 1986. Given that I am 70-years-old, I won't be around in the year 2061 to see the return of Halley's Comet.
I grew up during the 1950's, when there were no mobile phones. I bought my first mobile phone 20 years ago. Having a mobile phone is very convenient, yet I am not a sla... moreI grew up during the 1950's, when there were no mobile phones. I bought my first mobile phone 20 years ago. Having a mobile phone is very convenient, yet I am not a slave to my mobile phone.
