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Engineering Articles

Tag Archive for: engineering

perpetual motion machines

Why We Don’t Discuss Perpetual Motion Machines (PMM)

January 30, 2020
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12 Comments
Authorship Authorship Contributions From Anorlunda Introduction You may want to believe the article you read, or the video you saw, or you may be very…
https://www.physicsforums.com/insights/wp-content/uploads/2020/01/perpetual_motion_machines.png 135 240 russ_watters https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png russ_watters2020-01-30 07:15:512026-02-17 07:17:56Why We Don’t Discuss Perpetual Motion Machines (PMM)
engineer anorlunda

Interview with Engineer Mentor anorlunda

October 10, 2018
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2 Comments
Tell us about your school years? Part of my story is sad but common. I was a poor student. I didn’t pay attention, and I never did homework even once;…
https://www.physicsforums.com/insights/wp-content/uploads/2018/10/engineer_anorlunda.png 135 240 Greg Bernhardt https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Greg Bernhardt2018-10-10 14:46:482026-02-16 22:08:12Interview with Engineer Mentor anorlunda
acpoweranalysisp1

Intro to AC Power Analysis: Learn System Basics

March 22, 2016
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13 Comments
 Instantaneous PowerThe formula for power is: ##P=V\cdot I## , power= voltage*current.   We call that, instantaneous power.   Even…
https://www.physicsforums.com/insights/wp-content/uploads/2016/03/acpoweranalysisp1.png 135 240 anorlunda https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png anorlunda2016-03-22 13:35:382021-04-17 13:03:47Intro to AC Power Analysis: Learn System Basics
berkeman

Interview with an Electrical Engineer: Berkeman

February 24, 2016
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18 Comments
Can you give us a brief history of berkeman? I grew up in a military family (my dad was an Army colonel), so we moved all over the place when I was a…
https://www.physicsforums.com/insights/wp-content/uploads/2016/03/berkeman.png 135 240 Greg Bernhardt https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Greg Bernhardt2016-02-24 18:47:272026-02-16 20:51:20Interview with an Electrical Engineer: Berkeman
subway

Brachistochrone Subway Tunnels: Speed vs. Depth Tradeoffs

May 14, 2015
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6 Comments
Introduction A subway tunnel could, in principle, operate without external energy (like electricity) if we assume zero friction everywhere. The train would…
https://www.physicsforums.com/insights/wp-content/uploads/2015/05/subwayarticle.png 135 240 rude man https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png rude man2015-05-14 14:38:242026-07-27 13:49:37Brachistochrone Subway Tunnels: Speed vs. Depth Tradeoffs
engineering - chestermiller

Meet Mentor Chestermiller — Chemical Engineering Profile

September 11, 2014
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26 Comments
Meet a Mentor is a fun series to help you get to know your wonderful Mentors better.Constructive questions and comments are welcome!Today we meet:…
https://www.physicsforums.com/insights/wp-content/uploads/2018/09/chestermiller.png 135 240 Greg Bernhardt https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Greg Bernhardt2014-09-11 12:12:442026-02-16 09:40:36Meet Mentor Chestermiller — Chemical Engineering Profile

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