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My scientific specialty is chronobiology (circadian rhythms and photoperiodism), with additional interests in comparative physiology, animal behavior and evolution. I am not an MD so I cannot diagnose and treat your sleep problems. As well as writing this blog, I am also the Online Discussion Expert for PLoS. This is a personal blog and opinions within it in no way reflect the policies of PLoS. You can contact me at: Coturnix@gmail.com
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« Tell Obama administration about Open Access | Main | Clock Quotes »
How To Make A Barometer In Few Easy Steps With Household Items
Category: Science Education
Posted on: November 17, 2008 7:14 PM, by Coturnix
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Physical Science
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Comments
Won't this thing respond to temperature changes as well, perhaps even more than pressure changes?
Posted by: Kevin | November 17, 2008 9:14 PM
Yes, it is supposed to be kept indoors in constant temperature.
Posted by: Coturnix | November 17, 2008 9:19 PM
Back in the old days when no one was afraid of mercury, I made my own mercury barometer with glass tubing and a full pound of mercury. It worked very well for years (I finally disassembled it when we had a toddler in the house -- more afraid of the hazards of broken glass than of the mercury.).
Posted by: chezjake | November 17, 2008 9:37 PM
Obama appoints CTO for his administration
Is India ready for 2009 election?
http://india.ezcampaigns.com/
Posted by: timothy | November 18, 2008 7:22 AM
This is pretty nifty!
Posted by: Mimi | November 18, 2008 8:32 AM
Well, my daughter just made one for her school project and we took it to school. She'll report later if it actually works.
Posted by: Coturnix | November 18, 2008 8:35 AM