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Join the discussion of general engineering topics. The design, building, and use of engines, machines, and structures. Use the forum for any engineering topics not applicable to the specific categories.

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Low-Cost Object Detection System Using ESP32-CAM – Approach, Challenges
1K threads
Electronics Low-Cost Object Detection System Using ESP32-CAM – Approach, Challenges
Constructing a Strong Bridge with Limited Materials
  • Vorbis
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18
Magnetic Linear Accelerator ( finding magnets)
  • EntryLevelStu
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2
Does any one know what is the equivalent UL level for FMVSS 302?
  • Dalit
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2
Braces for concrete support safety question
  • Point Conception
  • · Replies 6 ·
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6
Pitch side bib what on Earth is that?
  • AniaMi
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2
Few Questions about building a Solar Oven.
  • Pinu7
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3
HOW DOES THE COOL SURGE SAVE ENERGY WHILE COOLING?
  • russ_watters
  • · Replies 16 ·
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16
Why Do Patents Have Dependent Claims?
  • Mech King
  • · Replies 8 ·
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8
Microwave Welding: How It Happened to Me
  • Lancelot59
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2
Egg Drop Contest for Science Survivor
  • FredXrawR
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4
What needs to be invented to make daily tasks easier?
  • Saladsamurai
  • · Replies 20 ·
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20
Shed construction /w a plant roof
  • Meseria
  • · Replies 8 ·
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8
Where Can I Find Textbooks with Worked Solutions for Engineering Statics?
  • geffman1
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2
Cantilevered beam with variating height.
  • Thorvald
  • · Replies 12 ·
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12
Can a High Schooler's Wave Energy Converter Revolutionize Renewable Power?
  • Green Zach
  • · Replies 14 ·
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14
Help with design of lift algorithm
  • kautilya
  • · Replies 1 ·
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1
How can we communicate with aliens?
  • neo_star
  • · Replies 2 ·
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2
Numerical Integration of a dataset (what is the best method?)
  • FrogPad
  • · Replies 2 ·
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2
Structural Eng: Find Deflection in Simply Supported Beam
  • civilengineer
  • · Replies 5 ·
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5
How to figure the tension on a pole used for a zip line?
  • oneelios
  • · Replies 8 ·
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8
Amazing Weekend at NASA Langley & Newport Airport
  • Cyrus
  • · Replies 11 ·
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11
Pimp My Helicopter: Grad Students Repaint Army Donated Craft
  • Cyrus
  • · Replies 9 ·
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9
Nuclear electricity separator - for those really picky customers
  • misgfool
  • · Replies 18 ·
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18
Will Compressed Air Increase the Danger of a Car Fire?
  • newbieny
  • · Replies 13 ·
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13
UCI Engineering Program: The Ultimate Guide for Prospective Students
  • insipidgirl
  • · Replies 2 ·
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2
Projectile Motion: Understanding Launch Angles and Speeds
  • Auto Engineer
  • · Replies 2 ·
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2
Projects for an aspiring engineer
  • alexk307
  • · Replies 1 ·
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1
What's the Phantom Flash Above the Explosion?
  • Artlav
  • · Replies 12 ·
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12
Win $75K for Solar Oven Invention - Did You Know?
  • minger
  • · Replies 10 ·
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10
Would you do this? Video of tower-climbing excavator
  • Ivan Seeking
  • · Replies 15 ·
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15
Engineer Interview: Need Help for Intro to Engineering Class
  • warpcrash
  • · Replies 1 ·
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1
Where Can I Find a .pdf FE/EIT Review Manual for Easy Access and Convenience?
  • gulfcoastfella
  • · Replies 1 ·
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1
How Is the Deflection Formula for a Simply Supported Beam Derived?
  • clairepearl
  • · Replies 1 ·
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1
Mission to Mars? - Explorers Wanted
  • lilleybc
  • · Replies 13 ·
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13
Truss Analysis and Method of Sections
  • iced_maggot
  • · Replies 12 ·
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12
What engineering field uses the most Physics?
  • Scramble
  • · Replies 8 ·
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8
Larger wheels make load easiervto move?
  • wadboy
  • · Replies 7 ·
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7
How can I draw a helical coil in Maxwell 3D v11 without getting an error?
  • shasi
  • · Replies 3 ·
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3
Nanorex mechanical design software
  • Aether
  • · Replies 7 ·
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7
Investigation of hydrogen-on-demand systems (HODS)
  • buffordboy23
  • · Replies 4 ·
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4
How to add additional channel for analog TV (Local Community Channel)
  • michaelm
  • · Replies 1 ·
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1
Optimizing Water Supply System Design for High Demand Scenarios
  • jasonyp
  • · Replies 11 ·
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11
Understanding the Concept of ____
  • Kbonga
  • · Replies 2 ·
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2
Will our strain gauge accurately measure small forces on a baseball?
  • CanoIsDbo
  • · Replies 8 ·
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8
Montague Folding Bikes: Reviews and Advice Needed
  • G01
  • · Replies 8 ·
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8
Can CGI ruin the realism of flying with one wing?
  • wolram
  • · Replies 21 ·
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21
Interesting topic for technical presentation?
  • DyslexicHobo
  • · Replies 1 ·
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1
Engineering Notation: Need Help?
  • Montero
  • · Replies 7 ·
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7
Atterberg Limits of Soil: Understanding Water Content and Plasticity
  • Bob Ho
  • · Replies 2 ·
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2
Math to Technology: Translating Equations into Devices
  • warpedlogic
  • · Replies 5 ·
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5
Is Civil Engineering the Right Path for Me?
  • Omarm
  • · Replies 11 ·
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11
Second moment of area - Need walkthrough
  • peleus
  • · Replies 2 ·
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2
What are some recommended mechanical forum websites?
  • mainforstone
  • · Replies 3 ·
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3
Designing a Lighting System for a Structure
  • TheFerruccio
  • · Replies 2 ·
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2
Electrical Engineer allowed to do Electrical work?
  • willijimon
  • · Replies 7 ·
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7
Can the Atmosphere Vortex Engine Generate Enough Power to Sustain a Small City?
  • SpicyRamen
  • · Replies 6 ·
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6
Calculating Water Pressure: Hazen-Willams Formula for 24' Tank & 650' Distance
  • Steve E
  • · Replies 4 ·
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4
Building a Paper Bridge: Connecting the Rings and Deck
  • Epsillon
  • · Replies 2 ·
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2
Where Can I Find Detailed Wind Speed Data on a Small Time Scale?
  • BasketDaN
  • · Replies 2 ·
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2
Wind Power Generator: Small & Cheap Alternator Suggestions
  • goober2906
  • · Replies 5 ·
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5
How Do You Design an Egg Drop Container That Is Also Crush-Resistant?
  • taylor92
  • · Replies 11 ·
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11
Beijing Television Cultural Center Fire
  • Hexnergy
  • · Replies 4 ·
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4
Determing GPM through PVC pipe (Gravity Drains)
  • rwludman
  • · Replies 1 ·
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1
Creating a Variable Resistor Using a Bare Resistance Wire and Sliding Contact
  • Dadface
  • · Replies 2 ·
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2
Is Pilot Error to Blame for Icing Condition Accidents?
  • Cyrus
  • · Replies 75 ·
3
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75
Homopolar Induction: Where Can I Find Answers?
  • confusedone
  • · Replies 2 ·
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2
Sound Travel in a Vacuum (not the obvious question)
  • George Jung
  • · Replies 2 ·
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2
Human voice: Wavelength to frequency
  • wirefree
  • · Replies 4 ·
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4
Industrial costs vs. Do it yourself costs
  • Topher925
  • · Replies 34 ·
2
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34
What Components Do I Need to Build a 200 lb Capacity DC Motor Cart?
  • RonB
  • · Replies 1 ·
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1
Automatic glass filling system for champagne
  • GMIT34
  • · Replies 5 ·
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5
Summer Experience for Engineering Student?
  • MissSilvy
  • · Replies 8 ·
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8
Is Free Energy a Viable Source of Power for the Future?
  • FDeck
  • · Replies 24 ·
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24
How do you decide what kind of engineering to do?
  • AnEskimo
  • · Replies 1 ·
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1
Doing Engineering Research with a Masters/Phd, but not an ABET certifed BS?
  • Clockward
  • · Replies 1 ·
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1
Energy consumption modification
  • Loren Booda
  • · Replies 17 ·
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17
What is an intern supposed to do?
  • ank_gl
  • · Replies 10 ·
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10
Interview an Engineer: Questions & Answers
  • alllvin01
  • · Replies 2 ·
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2
Why do engineers need mathematics?
  • matqkks
  • · Replies 43 ·
2
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43
Best Stability of Structures Textbooks/Resources?
  • ColdFusion85
  • · Replies 1 ·
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1
What Are the Best Theoretical Mechanics of Solids Books for Reference?
  • ank_gl
  • · Replies 3 ·
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3
Save Money & Time: Drive Your Vehicle, Not Idle!
  • Cyrus
  • · Replies 24 ·
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24
Calculating Maximum Load for 6m Timber Beam
  • ganathius
  • · Replies 3 ·
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3
I meant pounds, not Newtons. Oops
  • flatmaster
  • · Replies 6 ·
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6
Physics Project (Egg Drop, again)
  • deficiency4math
  • · Replies 27 ·
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27
Can GM OnStar really shut down vehicles during police chases?
  • buffordboy23
  • · Replies 17 ·
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17
Can You Truly Research Top-Secret Technology Without Access to Experts?
  • theallknower
  • · Replies 25 ·
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25
Is Industrial Engineering the Right Path for a Biology Major?
  • maryelsol
  • · Replies 5 ·
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5
Ultraviolet Rays - Need Resource
  • tihort
  • · Replies 2 ·
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2
Efficient Methods of Green House Heating
  • Nigel-Tufnfel
  • · Replies 4 ·
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4
Designing a Solar Water Heater System for 4500 Gal Tank
  • gideon0223
  • · Replies 1 ·
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1
Buy Dee Electromagnets Online | Low Prices
  • Degeneration
  • · Replies 1 ·
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1
Bad rear axle shocks very common?
  • DaveC426913
  • · Replies 7 ·
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7
How to simulate a graph in Comsol Script?
  • Maxzchea
  • · Replies 1 ·
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1
Strangest thing happened to me tonite
  • pentazoid
  • · Replies 16 ·
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16
Hydrostatic vs Air Test: Pipeline Pressure of 16 Bar
  • Ashokkk
  • · Replies 5 ·
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5
What Are the Functions and Uses of Skylab?
  • PhysicsGeek69
  • · Replies 2 ·
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2
Define Engineering (or describe)
  • AzonicZeniths
  • · Replies 21 ·
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21
Low-Cost Image Capture System for Computer Interfacing
  • dmehling
  • · Replies 6 ·
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6
Differences btw X-Y Plane and R-Z Plane
  • Skyeagle
  • · Replies 1 ·
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1