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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
Is Critiquing Green Ideas Considered Taboo in the Scientific Community?
  • CWatters
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Why don't wood construction sites get damaged in the rain?
  • kyphysics
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Lens engineering for virtual reality
  • grahas
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Assessing Power Rack Max Load: A Scientific Inquiry
  • JK29
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Why use diesel oil in fracking?
  • Stephen Tashi
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Can Self-Charging Electric Vehicles Reach 60mph Using Renewable Energies?
  • CharlohAwk
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Mastering Uncertainty Calculations for Lab Courses and Beyond
  • fayan77
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Question about what schedule pipe I should use for slackline
  • DJones
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Which Software is Best for Drawing Simple Engineering Models?
  • Si14
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Can Sound Absorbing Mats Reduce Noise from Central Heat & Air Units?
  • Marty Stanhibel
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Steam locomotive Tornado hauling test train reaches 100 mph
  • Nidum
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Novice trouble modeling a system in Simulink
  • Playbacknick
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Anyone know how to calculate wear & tear on car for travel?
  • kyphysics
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Creating curves/surfaces for 3DP
  • houlahound
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10,000 Toothpick Model of a Bridge What Do You Think?
  • The Maker
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Starting a Robotics Club - Advice?
  • Leanne Lee
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Any good software for drawing control systems/flow charts out there?
  • Jarfi
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Is My Rope Bridge Design Safe? Seeking Feedback on My Plans
  • Sundog
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Manhattanhenge Event this Evening
  • BillTre
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New Concept for Zero Emission Natural Gas Power Generation
  • BillTre
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What's inside a gas detection Station?
  • ervays
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Question about hydrostatic pressure
  • Tan
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Terahertz scanner: does it work?
  • sunbeam667
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Residential Fuel Cells: Japan vs US/EU
  • anorlunda
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How are singularity functions used in beam analysis?
  • hatchelhoff
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What is Tensile Force? - Researching Pantheon of Rome
  • Shmelly
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Building a garage elevator.... 3"x3" wall thickness
  • Overhaulin63
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Understanding Laser Safety: Choosing the Right Laser Level for Eye Protection
  • Blue Scallop
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Testing wind/water turbine performance
  • van4
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Will I still be able to find a job as an engineer?
  • Connor
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Woodworking: How I Built My Own End Tables from Scratch
  • gjonesy
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Best place to buy the best cheap motors
  • quickquestion
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What Is the Difference Between Microzonation and Macrozonation?
  • DavidLee24
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Popsicle Stick Bombs have you seen these before?
  • The Maker
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What is Causing the Audible Sound in This Fountain Video?
  • BobDoe123
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Need help creating articulated costume wings?
  • Pheral
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SM/SC any good as fill Material?
  • Ssoon
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Can a Fushigi Gravity Ball replace K'NEX cars on a rollercoaster?
  • The Maker
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How to determine the range of sensitivity for a camera sensor?
  • Jason E
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Measure Air Leakage: Test Sealed Device Without Water
  • curiouskk
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How to design surface roughness model using CST?
  • Prateeksha Sharma
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What Makes a Laser Range Finder Accurate and Reliable?
  • Blue Scallop
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Freeboard calculations for pontoon with additional weight
  • Peter T
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Plasma Impedance Matching Network
  • Fikadu
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I want professional feedback on my work -- Building Model Structures
  • The Maker
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Expert Tips for Zip Line Anchoring | How to Secure Your Backyard Zip Line
  • Eeman0201
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Simple bending moment calculation
  • Wilson123
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Are these chrome plated pliers magnetic (ferrous)?
  • Enginemaker
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Will it float or will it crunch?
  • Wesl14384
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Does anybody know the sampling frequency of a cop radar?
  • llatosz
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Insights Interview with Instrument Engineer Jim Hardy - Comments
  • Greg Bernhardt
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Trying to get a gallon of water to chill
  • Eddie_Pain
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Find Reactions to Overhanging Beam
  • Ozkan Suna
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Discover the Best Truss Design to Support Your Fascia | Expert Tips
  • HarryKoh
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PID control for drone rotations
  • Joel Graff
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Dig a trench filled with water rather than build the wall?
  • SunRay-dvsh
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Temperature, humidity and gas sealed box
  • ervays
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Advice for 2x4 weight distribution....
  • Chentelle
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Industrial applications of IR communication
  • Nikhil N
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How can I design high-quality EEG electrodes?
  • pierce15
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Optimal Shape for a Submersible Object with 360 Degree Maneuverability
  • RICKYtan
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What type of sensor does this faucet use?
  • Pyrus
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Box Girder Distortion: Stability Geometry Explained
  • be unique
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Angle of pitch and heel for a boat snagged on the side wall
  • sbg
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What building mass should be applied for 2D analyses?
  • Sukhi
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What does W7 in 'W7 stream cipher' stand for?
  • Fiona Rozario
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Do you think this waste-to-energy plant will work?
  • Chris1984
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Air conditioning unit with slightly open window
  • iDimension
  • · Replies 24 ·
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Required Level of Physics/Engineering Knowledge?
  • Delta Force
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Engineering: Success Through Accuracy, Not Popularity
  • K. Doc Holiday
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Listen to a steel ship just built in 1943, what do I hear?
  • Spinnor
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How water cooling chills below room temperature?
  • Flashbond
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Instrumentation vs Measurement: What’s the Difference?
  • yecko
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Crush Cocoa Puffs with Compressed Air – Science Project
  • tionis
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Experimentally finding focal length of small biconvex lens?
  • Rachelrific
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What do you guys think about Dynamic Tidal Power?
  • Rod Alexei
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Static Electricity: Does it Attract Food Waste?
  • FionaZJ
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Optimizing Water Tank Volume and Pressure for a Wet Fire System on Upper Floors
  • fanieh
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Upthrust Reaction - Water Injection @ 5bar -8msw Subsea
  • jakeward46
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How are wind turbine blades made to face the wind?
  • skeptic2
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Making bubbles and trying to use Trompe
  • Tomimo
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Trying to figure out the size of a base to make
  • Gofarlow
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Convert Strain gauge readings to stress
  • howsaboutno
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Why Does MIPS Show a Negative Result for Large Factorials?
  • rictor
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Do you think all railroad crossings should be replaced with overpasses
  • Jupiter60
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Advance of Technology; 1818 to 2318....
  • Baluncore
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Why not use electricity directly instead of hydrogen
  • HungryBunny
  • · Replies 96 ·
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Calculate Bridge Thickness for 35m Steel Structure | Deflection Prevention Tips
  • Mathijsgri
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Calculate the moment and the sag
  • Mathijsgri
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What determines a ship's ability to withstand sea state 9?
  • Ibexe
  • · Replies 13 ·
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Communication skills for engineers
  • lindajoseph
  • · Replies 6 ·
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Will My Cantilevered Countertop Design Prevent Sagging?
  • Enrique Lopez
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Engineering/physics idea next step?
  • Tommyboyblitz
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Is pixel a representation of intensity for light at a given location?
  • rictor
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Where can I find a digital counter for turns?
  • kolleamm
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Glass fibre Aquarium pool minimum thickness?
  • Daniel Engebretsen
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Interview for Engineering Class
  • David Wallace
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Airflow vs Flowrate: Are They Synonymous?
  • CadisEtramaDiRaizel
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How is the mass of the composite shape calculated using centroids and statics?
  • physocs1
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What are the operational problems in filtration in water treatment plants
  • rajen
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