I find it hard to believe that with all that potential footage in the can, all they found useable was 91 minutes worth. |
One thing noticeable right away was the available eye relief which, coupled with twist up eyecups, make them nicely useable with glasses. |
But that's not how it seems to people who have been without a useable telephone for several days. |
It can be quite easy to store data in an unstructured way, but then it's still just raw data, and not necessarily useable information. |
Our total useable on-shore wind resource is estimated at 300 billion kilo-watt hours per year. |
The success provides encouragement that useable stem cells can be found in sources other than the human embryo, which remains controversial. |