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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
Can You Take Down a Helicopter?
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What was this truck-mounted widget?
  • DaveC426913
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Where is the least bumpy spot on a school bus?
  • Dysnex
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2
Is It Possible to Avoid Designing Weapons in Aerospace Engineering?
  • bentrinh
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16
Make Crossbow: Medieval Type | Get Tips & Help
  • stoned
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3
Greetings, fellow scientists and engineers
  • Lateralus.
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16
Significant and decimal places for engineering report
  • n707jt
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3
Manual or calibration method for HP 70950A osa
  • simazPHYS
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1
How long do structures continue shaking after quake?
  • Pollywoggy
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5
Non Linear Regression Initial Guesses
  • scantor145
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2
Are PhD Jobs in Math/CS Mostly in Academia or Other Industries?
  • cpa
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26
Why is stamping of plans illegal?
  • bigislander72
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1
Build a Workout Bench: What You Need to Know
  • rufeecolada
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1
Understanding Mining Techniques: How Miners Locate & Protect Valuable Resources
  • Ukitake Jyuushirou
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Max load bending on steel tube.
  • drewjohn
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15
Is There Significant Energy Loss in Refracted and Focused Light?
  • ssope
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6
Set these boundary conditions in COMSOL 3.4?
  • sunilpatilher
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4
Anyone else take the fundamentals of engineering (FE) exam yesterday?
  • leright
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7
Idea from a laymen (transportation system)
  • tk448
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9
Design of a piezoelectric liquid pump
  • miva
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1
Can a Thermometer Be Engineered to Detect Fires at High Temperatures?
  • T.O.E Dream
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What is a suitable thickness for a spinal disc implant endplate?
  • cabellos6
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3
Aviation Mishaps and Issues - Current and Ongoing (Investigations)
  • mugaliens
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How does this work? Pics included.
  • DnD Addict
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Can Pressurized Air Vehicles Replace Batteries for Short Trips?
  • dE_logics
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General Questions About sizing Structural Beams.
  • Aethermeister
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2
Solving Fridge Water Line Leaks - Tips & Advice
  • electrical_ck
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10
I wonder, how deep attack nuclear sub can dive?
  • Chitose
  • · Replies 31 ·
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Can DNA Be Used as a Basis for a Quantum Computer?
  • limarodessa
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Designing and Operating High Vacuum Systems
  • jumbogala
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Solar lighting/power idea - viable?
  • MTurner
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Build a Small Wind Turbine Using the Kidwind Motor
  • physicsdude17
  • · Replies 15 ·
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15
Why did you choose to be an Engineer?
  • momais
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7
Efficiently Shorten Your Boat Trailer for Winter Storage | 5" Aluminum I-Beams
  • pjm
  • · Replies 53 ·
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Can an Engineer's PE License be Revoked?
  • DnD Addict
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Engineers: Helping Third World Countries Grow
  • mrlaughingman
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26
Growing Energy ? Juan Enriquez, TED Video Nov 2007
  • rhody
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Aspiring Engineering major looking for general answers
  • Matt0117
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How to calculate tension/compression in a truss bridge (diagram shown)?
  • enosthapa
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Calculating max load of square tube (steel)
  • drewjohn
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Comparing Square vs Round Tubing Strength | Help Understanding
  • madison069
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Find Trend in STAT: How Many Observations Needed?
  • knightza
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Convert F to Q: Easy Methods for Determining Flow Rate | Beginner's Guide
  • 3dee
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Method of Sections: Frame vs. Trusses
  • Krazer101
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Optimal Angle for Frame Design Project
  • Krazer101
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5
Do Camcorders/ Video camera have Sensors in them?
  • Rhine720
  • · Replies 13 ·
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13
RUnning Solidworks2009 on Windows 7?
  • Mech King
  • · Replies 4 ·
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4
How Can I Use an Achromat Lens to Magnify an LCD on My Microscope?
  • bemaitea
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Need to interview a Computer Hardware Engineer for school project
  • CJG
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!Designing a Light-Weight Hovercraft Control System
  • AppleBite
  • · Replies 5 ·
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5
Base Isolation Systems in Skyscrapers?
  • George3
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Building a Bridge with Balsa Wood
  • subhareads
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What is the best way to bring technology to market
  • komatsu8
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Is Skipping Classes Worth the Risk in Engineering Programs?
  • General_Sax
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Cloak of invisiblity , what kind of applications can it be usefull for
  • land_of_ice
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Masters in Engineering with BA in math
  • Badjuju270
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9
Can Steam Power Revolutionize VTOL Technology with the Coanda Effect?
  • leviterande
  • · Replies 21 ·
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21
Strength of round vs. square columned building
  • Loren Booda
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3
Choosing Engineering: Personal Motivations and Paths to Success
  • renjiLambrusc
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Design of a water supply system
  • nani
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Modifying a Wine Cooler to Reach -20°C: Internship Project Help
  • cthor
  • · Replies 5 ·
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5
Making 4'x8' sign inkjet printer - need nozzles - help?
  • parkland
  • · Replies 16 ·
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16
Is Gravimetric Energy Storage a Viable Alternative to Batteries for Solar Power?
  • Jasongreat
  • · Replies 10 ·
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10
Finding Max Moment for triangular load
  • posty2100
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How Do You Calculate the Curvature of a Simply Supported Monorail Beam?
  • Dafty
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Relationship between Point Loads and Running Loads in Cantilevered Beams
  • Ignea_unda
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Finding Reactions in a Beam with an Internal Pin Support
  • dananjaya
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Is a Secret Knock Detecting Lock the Ultimate Clubhouse Accessory?
  • Greg Bernhardt
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Is the I-beam still favored overall?
  • Loren Booda
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11
Construct an Egg-Safe Structure with Newspaper and Masking Tape
  • Phox
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3
Building a 2ft Push Button Flag Pole: A Beginner's Guide
  • toogr82h8
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Polygonal mirror reflection beam Problem
  • anita1984
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3
Can Rebar and Tiebacks Stabilize a Shifting Retaining Wall?
  • CreatesMoreWork
  • · Replies 11 ·
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What is the best programming language for building a 2D pathfinding robot?
  • golmschenk
  • · Replies 5 ·
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5
Engineering Design of Binoculars & Hobby Telescopes
  • NSK8700
  • · Replies 1 ·
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1
Solar Magnification: Benefits & Potential Downsides
  • bobbobwhite
  • · Replies 10 ·
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10
Miscalculations and Misjudgements: My EngG130 Midterm Story
  • General_Sax
  • · Replies 35 ·
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Engineering students score with pumpkin
  • Ivan Seeking
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Question Regarding Radiant Floor Heating
  • BTB
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Heated Infrastructure in the U.S. - Possible?
  • BTB
  • · Replies 11 ·
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Which programming language should i use for my project? And question about PIC.
  • kloong
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Soldering Copper Pipes: Is Heat Direction a Factor?
  • BosonJaw
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3
Quadratic Interpolation & 2nd Order Diff. Equations
  • defunc
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X: Free Energy - Get Help and Ideas Here!
  • sirblack40
  • · Replies 4 ·
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Uniformly Varying Load/Uniform Load to Concentrated Point Load
  • accesskb
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Possible Extensometer Design Using Single Beam and Strain Gages
  • Oulrish
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Build a 60s/70s Dodge Charger - Auto-Mechanics & Frame Considerations
  • Lancelot59
  • · Replies 21 ·
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Sound hyphosis. The engeneering part of it.
  • cavemen
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5
Wind Load Formula: Charles Hutton | A=Fsinx^1.84cos-1
  • cuad
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Embarking on an Engineering Website for Students
  • acrossthesea
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2 Trig Equations Answer one or the other is fine
  • BuffaloSoulja
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Rigging Restraints & Force Required to Restrain an object
  • glocki35
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Cheap ml range liquid flow sensor
  • miva
  • · Replies 5 ·
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Can Essential Tremors Impact a Career in Mechatronics or Electrical Engineering?
  • vittle12
  • · Replies 2 ·
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Conversion from CO2 to Air flowrates
  • redargon
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Preventing Air in Capillaries: Solutions and Valve Selections from Upchurch
  • frenchero
  • · Replies 4 ·
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Calculating Dead and Live Loads for Building Design
  • quickzx
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Is 85% the highest efficiency we can achieve with PV technology?
  • gloo
  • · Replies 82 ·
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Calculating Principal Stress in Combined Loading of a Beam
  • P0zzn
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How many of you hate your job or know how to find the career you really love?
  • Pattonias
  • · Replies 13 ·
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13