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en This user is a native speaker of English.
fr-1 Cet utilisateur peut contribuer avec un niveau élémentaire de français.
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Sciences humaines.svg This user loves knowledge.
Nuvola apps kcmsystem.svg This user is an engineer.
BE This user has a Bachelor of Engineering degree.
C-2 This user is an intermediate C programmer.
This Windows user has experienced one or more Blue Screens of Death.

Nuvola apps designer.svg This user enjoys the subject of Design.
The Earth seen from Apollo 17.jpg This user supports sustainable living.
Franz Josef glacier.JPG This user is fascinated by glaciers.
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This user wants to stop
global warming
Gfi-set01-coal-mine-closed.png This user wants no more coal exported from Newcastle.
Urbine221dc.jpg This user supports the
use of green energy.
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This user believes that the profit motive makes network news reporting inaccurate and biased. Television.svg
Ask Questions This user is involved in the 9/11 Truth Movement Demand Answers
Cristo crucificado.jpg This user opposes the use of capital punishment.

Fort Sumter storm flag 1861.jpg This user is thankful that the good guys won the Civil War
Marijuana.jpg This user supports Cannabis rescheduling
Pregnant woman black and white shadows.jpg
This user is anti-abortion and pro-choice.
This user watches
The Colbert Report
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XD This user is interested in comedy, and may enjoy writing or performing it.
Mad scientist.svg This user has noticed that the last 99 userboxes conflict and has decided that they really don't care about it.
The gesture02.jpg In order to deal with problematic online relationships, this user has developed sophisticated coping mechanisms.
1933-may-10-berlin-book-burning.JPG This user finds censorship offensive.
Toilet 370x580.jpg The only throne this user has sat on was made of porcelain.
WikiProject Scouting trefoil fade.svg This user was a Girl Guide in her youth
Corazón.svg This user was too slack to make Eagle Scout.
WikiProject Scouting BSA ex-member.svg This user no longer wishes to be associated with the leadership of the Boy Scouts of America.
Crystal Clear app kguitar.svg This user enjoys rock music.
This user's amps go to eleven.
Noia 64 apps galeon.png This user enjoys sailing and boating.
Dolphin-intelligence.jpg This user is a swimmer.
GET BENT! This user is a recumbent bicyclist.
Wikipedia svg logo.svg This user believes that anyone who thinks Wikipedia is an unreliable source should continue their quest to find a better website.

Articles I authored[edit]

Heat engines[edit]

Stirling engines[edit]

Other heat engines[edit]


Sections I authored[edit]