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It's not the technology Mark, it's the use it is put to; whether that technology is in planes, space travel, transport - all are used for military purposes - to kill people.
There has been alternate sources of energy for cars for decades, but the controlling oil companies decide what we use; when it's almost run out they'll bring that alternate energy to the fore.
Mobile phones can be used to set off bombs, but we don't want to ban the mobile do we ?
I don't think it's all time wasting, being on the internet and I'm sure that bit was tongue in cheek.
It's all about attitude and corruption that keeps, or puts, people in poverty. Africa being a prime example - and you can't blame it all on weather and drought.
Almost every country in Africa is on or around the poverty line; that's not the fault of the people, but the fault of the corrupt governments.
It will always be the same, no matter how much money in overseas aid we give them; there has to be a change of attitude, before there can be any improvement for the general populace - then they can take part in the technological age.
Roger