the 'cheaper' part will magically disappear through the use of patent fee's.
I find it usually disappears as a result of the misuse of apostrophe's.
Actually photosynthesis tops out at 25% efficiency. 11% using the sun's spectrum.
It all depends on where you want to measure the efficiency.
Can you provide a link for that 25% figure? If my 1% figure is too simplistic or just plain wrong I'd like to know about it - it was years ago I read it.
What would you have whined about had you lived two centuries ago before English had standardised spelling?
There, fixed that for you.
Vikings were people who taught their kids how to be inherently cruel by forcing them to rip wigs off live birds at the age of three.
I'd always wondered where the term "bald as a coot" came from.
All 383 pages of it?
For the slow readers among us.....I think you can summarise it as "Whatever the mainstream press tells you is the solution is probably totally unrealistic, and most likely based on some vested interests". But seriously, this is an excellent read. Full of technical facts and details about a whole range of things that consume energy, with order-of-magnitude calculations about how much each could be improved through technological progress.
Save the whales. Collect the whole set.