On 15/09/2012 16:18, Doctor Drivel wrote:

"Dave Plowman (News)" wrote in message
...
In article ,
Doctor Drivel wrote:
Battery technology is improving greatly. There is also the combined
battery/supercapacitor.

This could have been posted 30 years ago. And was as true then as now. Or
not.

This one forgets the brick cell phones we had.

That one forgets the enormous changes in electronics over that time.
Look up Moore's Law (we get a lot more processing power for the same energy)

Andy