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Engineering
Spencer Joplin's user avatar
Spencer Joplin's user avatar
Spencer Joplin's user avatar
Spencer Joplin
  • Member for 6 years, 2 months
  • Last seen more than a month ago
  • Rancho Cordova, CA, United States
Profile Activity
Stats
286
reputation
4k
reached
3
answers
1
question
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5
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7
Score
2
Posts
50
Posts %
7
Score
1
Posts
25
Posts %
7
Score
1
Posts
25
Posts %
7
Score
1
Posts
25
Posts %
4
Score
1
Posts
25
Posts %
2
Score
1
Posts
25
Posts %
Top posts
All Questions Answers
Score Newest
answer
7
Why do all high-speed trains run on electric track (as opposed to normal track with diesel-electric trains)?
Apr 2, 2017
question
4
Why are rail signals overbuilt compared to road signals?
Apr 2, 2017
answer
4
Why don't we have parabolic ceilings with mirrors & a light at the focus?
Aug 11, 2019
answer
2
Most efficient/low power consumption way to pump water
Aug 31, 2017
Top network posts
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99
What is the purpose of confirming old password to create a new password?
32
Why does Disney omit the year in their copyright notices?
29
What can I wear to avoid getting frisked and crotch searched by TSA at the airport?
18
How can I know if one extension cable and outlet can handle so much electricity use?
17
Why are scientists involved in the Avogadro Project using silicon-28 atoms instead of carbon-12?

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