Re: save the electron!

Posted by Craig Brideau on
URL: http://confocal-microscopy-list.275.s1.nabble.com/save-the-electron-tp7583238p7583275.html

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Or you could just drive all-electric and not waste power while stopped at a
red light. Apparently Chevy is throwing its hat in the ring against Tesla.
Should be interesting:

http://jalopnik.com/the-chevrolet-bolt-will-be-a-200-mile-electric-tesla-fi-1678649485/

Craig

On Sat, Jan 10, 2015 at 9:24 PM, James Pawley <[hidden email]> wrote:

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>> To join, leave or search the confocal microscopy listserv, go to:
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>>
>> Jim, you need a more modern engine/car and your efficiency will double to
>> 25-30%...
>>
>> HTH
>>
>> Mark
>>
>
>
> Well, we would all like a new car and those few new cars with direct fuel
> injection http://en.wikipedia.org/wiki/Gasoline_direct_injection claim to
> do even better than 30%, at least at some speeds
>
> But for most of the cars now on the road (and affordable to the underpaid,
> microscopist geeks likely to read this list), you only get close to 25% at
> very specific RPM/load levels, usually near 75% of maximum power.
>
> http://en.wikipedia.org/wiki/Engine_efficiency#Gasoline_.
> 28petrol.29_engines
>
> When it is idling waiting for a light, it is zero. Hence my use of the
> term "city driving" which is what many of us do on the way to work. Using
> most cars at 75% of maximum power will soon result in speeding ticket.
>
> Even 12% is optimistic for many cars that are actually currently on the
> road (i.e., not a new BMW).
>
> When considering biking, what about adding in the saving of all the time
> and energy use related to visiting exercise spas that could be saved by a
> sporty bike ride or the gas spent looking for parking.
>
> http://blog.rmi.org/blog_2014_12_23_youll_shoot_the_climates_eye_out see
> point #2.
>
> As for getting a new car, I guess that I will have to wait for the
> Volkswagon version of the new BMW i3 carbon-fibre electric car. Finally
> someone takes seriously the idea that lighter is better. Anyone doing
> confocal etc. on composites?
>
> But I guess I am in danger of wasting a bit too much bandwidth. Sorry!
>
> Best,
>
> Jim P.
>
>
>
>> On 10/01/2015, at 1:40 pm, James Pawley <[hidden email]> wrote:
>>
>>   *****
>>>  To join, leave or search the confocal microscopy listserv, go to:
>>>  http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
>>>  Post images on http://www.imgur.com and include the link in your
>>> posting.
>>>  *****
>>>
>>>  Dear Allison,
>>>
>>>  a)  Good for for you to bring up this all important topic (and I mean
>>> all important!).
>>>
>>>  b) However, looking at this problem from a slightly broader
>>> perspective, a Hg source runs at 100W for 200 hours consuming 20kWh over
>>> about 5 weeks, about the same as used by our automobile in 30 minutes, so
>>> maybe we should also think about driving a bike to work or living closer to
>>> the lab.
>>>
>>>  If we think of this in terms of CO2, it is even worse, because compared
>>> to even a coal-fired power plant, internal combustion engines are very
>>> inefficient at turning heat into what we want, especially in city driving
>>> (40% vs. about 12%). And at least here in freezing Indiana, that 100 W
>>> helps keep us warm for half the year.
>>>
>>>  Keep thinking energy: A rule of thumb might be for every $2 US spent,
>>> 1kg of CO2 is burned somewhere.*
>>>
>>>  "A kg saved is a kg earned." (Ben Franklin, updated.)
>>>
>>>  Keep warm (Except those of you in the Southern Hemisphere, where I
>>> encourage the use of a parasol.)
>>>
>>>  Jim Pawley
>>>
>>>  * Global GDP is $74T; almost all of this economic activity occurs not
>>> so much because of human will but because energy is expended, somewhere.
>>> Essentially all of this energy is related to CO2 production.  Global CO2 is
>>> 36G tons or 36T kg.
>>>
>>  >
>>
>>>  Allison, List,
>>>>
>>>>         I shudder to think about how much power an NMR machine uses.
>>>> Electron microscopes are pretty heavy too, but it is really unfeasible to
>>>> turn them off overnight.  At least things improved when they changed from
>>>> valves (vacuum tubes) to transistors.  But I think our lot are doing pretty
>>>> well.  Mercury lamps are well-nigh dead and LEDs use much less power.
>>>> Likewise gas lasers have mostly been replaced by diode or DPSS.  Digital
>>>> cameras, at least uncooled ones, probably use much less power overall than
>>>> film. And I remember when we got our first ink-jet printer - a monster that
>>>> had to be left on 24/7. Computers likewise didn't have the energy saving
>>>> low-power modes they have today.  So we aren't too bad.
>>>>
>>>  >>
>>
>>>                                 Guy
>>>>
>>>>  Guy Cox, Honorary Associate Professor
>>>>  School of Medical Sciences
>>>>
>>>>  Australian Centre for Microscopy and Microanalysis,
>>>>  Madsen, F09, University of Sydney, NSW 2006
>>>>
>>>>
>>>>  -----Original Message-----
>>>>  From: Confocal Microscopy List [mailto:CONFOCALMICROSCOPY@
>>>> LISTS.UMN.EDU] On Behalf Of Paradise Allison
>>>>  Sent: Saturday, 10 January 2015 2:03 AM
>>>>  To: [hidden email]
>>>>  Subject: Re: save the electron!
>>>>
>>>>  *****
>>>>  To join, leave or search the confocal microscopy listserv, go to:
>>>>  http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
>>>>  Post images on http://www.imgur.com and include the link in your
>>>> posting.
>>>>  *****
>>>>
>>>>  Good morning everyone,
>>>>  Thanks so much to all of you have completed the survey already.  A
>>>> copy of the study will be available in the spring, and I will share the
>>>> link with the group when it is online.
>>>>
>>>>  I really appreciate the conversation this post has generated.  In
>>>> response to some of the comments/questions:
>>>>
>>>>  1.  I know electrons aren't actually wasted; 'please stop
>>>> inconveniencing electrons' just didn't have the same ring to it.  But I do
>>>> appreciate those of you who have pointed this error out to me.  You are
>>>> correct - I should not have sacrificed accuracy for the sake of a tag line,
>>>> and for this I apologize.
>>>>  Perhaps instead I should have pointed out that on average laboratories
>>>> consume nearly 5x as much energy as a typical office space. Laboratories
>>>> account for nearly 60% of all energy used on a typical academic campus,
>>>> while only occupying 25% of the total space. On average, one dual
>>>> compressor -80 freezer consumes 20 kWh/day, which is as much as an average
>>>> house uses.  One fume hood can consume over 60 kWh/day.  And while no one,
>>>> to my knowledge, has yet rigorously studied the amount of energy consumed
>>>> by an Argon-Ion laser, I'd be willing to bet it's not trivial, especially
>>>> when the effects on the HVAC system are taken into account.
>>>>  So labs have the attention of the utility companies. And that's a good
>>>> thing, because they are willing to provide financial incentives to save
>>>> energy.  For example, a utility company in California fully funded the
>>>> replacement of a gas laser with a solid state laser simply based on energy
>>>> savings.  We'd like to be able to do this for many different pieces of
>>>> equipment, and that is why we are asking for your help with this study.
>>>>
>>>>  2.  In response to the comment about the Hg bulb:  based on the plug
>>>> load alone, metal halide and mercury bulbs are not the largest consumers of
>>>> energy in a lab.
>>>>  However they do radiate a substantial amount of heat (I used to use
>>>> our metal halide light source to warm my hands), and this heat can have a
>>>> significant impact on the heating/cooling in the building.  The extent of
>>>> this impact will depend on the size of the room, the type of HVAC in the
>>>> building, and the number of mercury or metal halide light sources, but our
>>>> models show that removing these light sources can reduce HVAC-related
>>>> energy use anywhere from 10-30%.
>>>>
>>>>  3.  Because we can really only have an impact on labs in the US we
>>>> have limited the survey to people whose labs are in the US.  We didn't feel
>>>> like it was fair to ask anyone outside of the US to donate their time to
>>>> this project when they themselves would likely not benefit from it.
>>>>
>>>>  I hope this helps clarify some things.  As always, any questions and
>>>> all comments are welcome.  And please, if you haven't already done so,
>>>> complete the survey at: www.surveymonkey.com/s/CEEL
>>>>
>>>  >>
>>
>>>  Have a great day!
>>>>  Best,
>>>>  Allison
>>>>
>>>>  allison paradise | executive director | my green lab | 860.680.3283 |
>>>> [hidden email]
>>>>
>>>>   On January 8, 2015 at 1:16 AM Peter Gabriel Pitrone
>>>>>  <[hidden email]>
>>>>>  wrote:
>>>>>
>>>>>
>>>>>  *****
>>>>>  To join, leave or search the confocal microscopy listserv, go to:
>>>>>  http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
>>>>>  Post images on http://www.imgur.com and include the link in your
>>>>> posting.
>>>>>  *****
>>>>>
>>>>>  Hello Allison,
>>>>>
>>>>>  Also, the questionnaire won't let you go on to the next page unless
>>>>>  the location of your lab is in the USA.
>>>>>
>>>>  >>>
>>
>>>  Best Regards,
>>>>>  Pete
>>>>>
>>>>>  Peter Gabriel Pitrone - DipRMS TechRMS FRMS Light Sheet Fluorescence
>>>>>  Microscopist and Imaging Specialist for Dr. Pavel Tomancak's research
>>>>>  group at the Max Planck Institute of Molecular Cell Biology and
>>>>>  Genetics Pfotenhauerstraße 108
>>>>>  01307 Dresden, Saxony
>>>>>  Germany
>>>>>
>>>>>
>>>>>  http://www.mpi-cbg.de/research/research-groups/pavel-tomancak.html &
>>>>>  http://www.openspim.org
>>>>>
>>>>>  "I KEEP six honest serving-men (they taught me all I knew); their
>>>>>  names are What and Why and When and How and Where and Who." Rudyard
>>>>>  Kipling - The Elephant's Child
>>>>>
>>>>>  On Thu, January 8, 2015 08:52, Andreas Bruckbauer wrote:
>>>>>  <|> *****
>>>>>  <|> To join, leave or search the confocal microscopy listserv, go to:
>>>>>  <|> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
>>>>>  <|> Post images on http://www.imgur.com and include the link in your
>>>>>  posting.
>>>>>  <|> *****
>>>>>  <|>
>>>>>  <|> Hi Allison,
>>>>>  <|> Good cause but you chose the wrong name! We are returning every
>>>>>  single <|> electron we borrow from the electricity supplier. Otherwise
>>>>>  our lab would <|> be negatively charged and our hair stand up all the
>>>>>  time! Just that <|> pumping the electrons around takes an awful lot of
>>>>>  chemical, nuclear, <|> solar or other energy which is then converted
>>>>>  to useless heat at our end <|> and we probably have to pump more
>>>>>  electrons around to transport this heat <|> to somwhere outside the
>>>>>  building (switch on the air conditioning).
>>>>>  <|>
>>>>>  <|> Best wishes
>>>>>  <|>
>>>>>  <|> Andreas
>>>>>  <|>
>>>>>  <|> -----Original Message-----
>>>>>  <|> From: "Allison Paradise" <[hidden email]> <|> Sent:
>>>>>  â¤Î07/â¤Î01/â¤Î2015 23:43 <|> To: "[hidden email]"
>>>>>  <[hidden email]>
>>>>>  <|> Subject: save the electron!
>>>>>  <|>
>>>>>  <|> *****
>>>>>  <|> To join, leave or search the confocal microscopy listserv, go to:
>>>>>  <|> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
>>>>>  <|> Post images on http://www.imgur.com and include the link in your
>>>>>  posting.
>>>>>  <|> *****
>>>>>  <|>
>>>>>  <|> Every day, millions and millions of electrons are wasted in
>>>>>  laboratories <|> - <|> from centrifuges kept at 4 degrees 'just in
>>>>>  case' and water baths <|> permanently set to 37 degrees, to
>>>>>  microscopes that are left on overnight <|> because the Hg bulb needed
>>>>>  to be left on for 30 minutes, laboratories <|> waste <|> a lot of
>>>>>  energy. Our non-profit, My Green Lab, is working to reduce <|> energy
>>>>>  <|> use in labs, and put those energy savings back into the pockets of
>>>>>
>>>>  > <|> researchers in the form of energy rebates.  But before we can
>>>>
>>>>>  develop <|> financial incentives, we need to know more information
>>>>>  about the type of <|> equipment you use in your lab.
>>>>>  <|>
>>>>>  <|> Please help us by taking this 15-minute survey.  Anyone who works
>>>>>  in a <|> lab <|> is qualified to participate, and all participants
>>>>>  will be entered to win <|> a <|> MacBook Air.  A link to the survey is
>>>>>  here:  www.surveymonkey.com/s/CEEL <|> Feel free to share this link
>>>>>  with your friends and colleagues.
>>>>>  <|>
>>>>>  <|> For more information about our non-profit, or about how you can
>>>>>  save <|> energy <|> in your lab, please visit our website:
>>>>>  www.mygreenlab.org <|> <|> Feel free to contact me with any feedback
>>>>>  or questions at <|> [hidden email] <|> <|> Thank you!!
>>>>>  <|>
>>>>>  <|> Thank you for helping us save the electron!
>>>>>  <|>
>>>>>
>>>>  >
>>
>>>
>>>  --
>>>               ****************************************
>>>  James and Christine Pawley, 5446 Burley Place (PO Box 2348), Sechelt,
>>> BC, Canada, V0N3A0,
>>>  Phone 604-885-0840, email <[hidden email]>
>>>  NEW! NEW! AND DIFFERENT Cell (when I remember to turn it on!)
>>> 1-604-989-6146
>>>
>>
>> Mark  B. Cannell Ph.D. FRSNZ
>> Professor of Cardiac Cell Biology
>> School of Physiology &  Pharmacology
>> Medical Sciences Building
>> University of Bristol
>> Bristol
>> BS8 1TD UK
>>
>> [hidden email]
>>
>
>
> --
>               ****************************************
> James and Christine Pawley, 5446 Burley Place (PO Box 2348), Sechelt, BC,
> Canada, V0N3A0,
> Phone 604-885-0840, email <[hidden email]>
> NEW! NEW! AND DIFFERENT Cell (when I remember to turn it on!)
> 1-604-989-6146
>