[Info-vax] Intel junk...Kernel-memory-leaking Intel processor design flaw forces Linux, Windows redesign

[Paul]

Wolf K wrote:
> On 2018-01-09 04:58, Tim Streater wrote:
>> In article <WOT4C.274768$BH4.101809 at fx02.iad>, Wolf K
>> <wolfmac at sympatico.ca> wrote:
>>
>>> On 2018-01-08 14:59, Jan-Erik Soderholm wrote:
>>> [...]
>>>> If you run the gasoline engine on bio-fuels produced from plants
>>>> growing *today*, there is no issue with the C02 emissions.
>>>
>>> There is a net addition to the CO2 load, because it costs energy (ie, 
>>> fuel) to produce the biofuel. That cost can be stated as the 
>>> proportion of the fuel needed to produce it. That is, how many litres 
>>> of some fuel does it take to produce 100 litres of the stuff?
>>
>> And how much land to produce the 100 litres each year every year? Or to
>> produce enough biofuel for one vehicle's annual driving?
> 
> Good questions. I came across a report somewhere within the last couple 
> of years about a group looking at desert plants. Those wouldn't displace 
> food plants.
> 
> Speaking of plants: Photosynthesis isn't very efficient. Less than 5% of 
> light energy is stored in the plant (all of it, not just the 
> carbohydrates that we can easily convert to fuels). Current solar panels 
> convert 20-25% of light into electricity, and labs have demoed 
> conversion efficiencies greater than 30%. Since biofuels are burned in 
> heat engines, only about 1% net of the infalling light ends up moving 
> your car. Using solar panels for charging the battery is much more 
> efficient.
> 
> There's research projects attempting to build an artificial leaf: use 
> enzymes plus light to do what the leaf does. Within the last couple of 
> years, New Scientist reported a proof-of-concept trial that was about 
> twice as efficient as a natural leaf. But scaling it up is a serious 
> problem. Always is with biochemistry.
>  OTOH, highly efficient solar panels and artificial leaves would be 
> serious competition to traditional power companies. Wide-spread feed-in 
> systems would become feasible: excess power produced on your roof would 
> reduce the need for (and highly profitable) power generation. That means 
> political and PR efforts to slow the development of solar. Which is 
> what's happening.
> 

It's pretty hard to do what the leaf does.

http://www.iflscience.com/plants-and-animals/plants-use-quantum-mechanics-to-make-photosynthesis-more-efficient/

https://en.wikipedia.org/wiki/Quantum_biology

https://www.livescience.com/37746-plants-use-quantum-physics.html

    Paul