http://confocal-microscopy-list.275.s1.nabble.com/save-the-electron-tp7583238p7583270.html
zero. Hence my use of the term "city driving"
which is what many of us do on the way to work.
new BMW i3 carbon-fibre electric car. Finally
better. Anyone doing confocal etc. on composites?
But I guess I am in danger of wasting a bit too much bandwidth. Sorry!
>
>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:
[hidden email]] 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]
NEW! NEW! AND DIFFERENT Cell (when I remember to turn it on!) 1-604-989-6146