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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
How do I calculate the stress on a lap fillet weld in bending?
  • Fantastic Fox
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Why Do We Square Errors in Least Squares Regression?
  • likephysics
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I-Beam Sizes: Standard Dimensions in SI Units
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Graduate School for Engineering
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5
Questions about EE, Meteorology and Nuclear
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Where Can I Find a Dummy Book for Writing Firmware Codes?
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First major screw-up in twenty-five years
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Front end of an engineering design
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6
Mapping a building for use in game (RADAR?)
  • justing2k5
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10
How does someone become an Engineer?
  • php111
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19
Power Your Designs: Human-Powered Lighting Solutions
  • nimun4getable
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6
Motorcycle vs Motorcar Race: Who Will Win?
  • wolram
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15
Mass moment of inertia of an irregular area
  • garytse86
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2
Solved: Cantilever Experiment: Deriving Formulae
  • ash1098
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2
The Importance of Physical Modeling in Engineering: Insights from an EE Student
  • Number2Pencil
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4
How Can You Ethically Address Concerns with Surveillance Systems?
  • Bally
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1
Gender Segregation in Engineering Colleges - YouTube
  • siddharth
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5
Building a Paper Pipe Organ: Tips & Advice
  • Mochi
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3
Cleaning Bottles with Ultrasound
  • McHeathen
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15
Can Covering Earth with Aluminum Foil Help Reduce Global Warming?
  • henxan
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Choice fo courses - Accountancy or Engineering?
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19
Find a Reputable Engineering Firm to Build Lab Prototype
  • iyun
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14
Calculate Deflection(Sag) in Steel Wire w/Formula
  • williamlynn
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8
Homemade liquid rocket engine all based around a CO2
  • binzing
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15
Wind Turbine Design: Find Documentation Here
  • Ry122
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3
Projecting light on a surface for marking.
  • Averagesupernova
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3
How to convert density from mol/L to kg/m3?
  • Stupid_Engine
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2
Designing a Custom Sliderule for Long Range Rifle Shooting
  • brianf
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1
Beam/plate on elastic foundation?
  • cabellos6
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4
Can I use a terrarium as an aquarium?
  • Mk
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15
Solar concentrated power generation (~5kW)
  • inflation
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3
Why can't we build an earthquake-resistant building?
  • Victoria
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8
Anyone thought of combining solar water heater with Stirling generator?
  • Ulysees
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11
Making a Solar Engine: Cheap & Simple
  • chiel
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23
Engineering Component Finder: Globalspec, Thomasnet, Digikey, Alliedelec, Jameco
  • UBAP
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2
Friend's Wacky Idea: Could Levitation be Possible?
  • hitspace
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28
How Can You Weigh a Ship Without a Scale Using Fluid Dynamics?
  • shamrock5585
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15
Lying on AIF: Risky or Worth It for Engineering at Waterloo?
  • tornzaer
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UPS' Right Turn-Only Strategy Cuts Costs and Time
  • Cyrus
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French Takeover: New Factory, Machinery, and a Change of Pace
  • wolram
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Would Car Enthusiasts Pay $50 for Custom CNC-Machined Emblems?
  • david90
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23
Wood I Beam of dimensional lumber
  • sixgun
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11
Load carrying behavior of shells
  • elena
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5
Golden Age of Construction Engineering?
  • SF
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9
Engineering 101: Understanding One Meter (1 m) & Weight Measurements
  • ThienAn
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2
Can Building a Time Machine Become Reality?
  • DANTHEMAN
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8
A perpetual motion machine that will work
  • MightyG
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Main reasons for using opera browser
  • grafica
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2
I to calculate forces on steel rope
  • docdavy
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3
Calculating Cantilever Pipe Weight Support
  • screwbean
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4
How to build a cage for demonstration purposes
  • NoPuppyMills
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4
How Can I Build a Dust Catcher for My Room?
  • SF
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1
Path from Business to Engineering?
  • sanman
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17
Constructing a Wall Imaging Device
  • nanoWatt
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4
Formula involved in calculating Flexuliar Bending
  • ronmarie
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Can Better Bus Systems Save US Suburbs?
  • oldtobor
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17
Constructing a Toothpick Bridge: Tips and Techniques for Success
  • MoreZitiPlease
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Why are sports clubs (gyms) are load, not generator, on the grid?
  • EnumaElish
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2
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41
Fastest sailboats in modern times
  • GiTS
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2
Preparing for Summer Floods: Should We Buy Amphibious Vehicles?
  • wolram
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29
US Homes: Greener Woodframe or Concrete/Brick?
  • oldtobor
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12
MIT Sketch Board: Amazing Computer Assisted Blackboard
  • waht
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2
Helping Out or Doing the Work? A Difficult Decision
  • wolram
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15
How can I efficiently build a boomilever using only wood and glue?
  • backdoor
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Minneapolis bridge collapse report
  • mgb_phys
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5
Project Management Q&A: Any Project Managers?
  • dingpud
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12
Well Im on a science project ( NOT HOMEWORK)
  • W00t_hamsters
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7
Can American/European Engineers Work in India and Other Outsourcing Countries?
  • holymotherf
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12
Astronaut Farmer: Can You Build a Rocket?
  • wolram
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9
Biomedical Engineering: Maths, Physics or Bio?
  • meee
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21
Burst Pipe Causes Unexpected Adventure in My Garden
  • wolram
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2
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44
What Makes Analog Circuits So Fascinating?
  • Winzer
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2
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42
Start Your Low-Cost Electrical/Electronic/Computer Business!
  • david90
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4
Microwave Leakage: How Sub-Wavelength Radiation Escapes
  • batlep1
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5
Physics rollercoaster track engineering
  • mike_302
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1
How did the massive water line explosion occur?
  • 111111
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6
Red Tacton: Understanding the Basics for High School Juniors
  • ProToSS
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7
Maximizing Plant Growth in Domes: A Critical Analysis of Arxiv Study
  • wolram
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Difference between structural and mechanical engineering
  • ralphy
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2
Can the Energy Tower design truly generate a positive net energy?
  • Unbeliever
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25
What Are the Advantages of Using Steel for Commercial Buildings?
  • oldtobor
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Sorting Objects into Percentile Groups
  • j777
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2
What kinds of local stores sell pulleys?
  • keltix
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What makes a winning can in a high school soup can race?
  • sugarfreeky22
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Wild Goose@pf.com - Have I been Chasing?
  • OmCheeto
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Gutenberg effect - who know about it?
  • kttuan
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Art of Electronics for christmas?
  • foges
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10
Future construction - a theoretical estimate?
  • technobot
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6
Can You Create a Home-Based Micro-Hydro Generator Without Natural Running Water?
  • tjnlsn255
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Dealing with Inaccurate System Errors
  • babistopher
  • · Replies 7 ·
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7
Load Cell Application Q&A: Single Cell for Loss in Weight Feeder
  • ghaulk
  • · Replies 10 ·
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10
Q3: Can a box with air pressure peaks dampen sound energy peaks?
  • kach22i
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3
Need help with some keywords to search with
  • perfectchaos180
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Statically indeterminant problem
  • oakley45
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3
Plate Deflection: Calculating Central & Eccentric Loads
  • minger
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17
Hovercraft plans (1) - How much i need in voltage?
  • Neo Cortex
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4
Engineering vs Physics: Understanding the Differences and Choosing Your Path
  • Slinger
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Are Mechanical Engineers in High Demand in Ontario, Canada?
  • Macleef
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News How Many Aircraft Carriers Do Leading Nations Operate?
  • JPC
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2
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News Which countries have the highest quality military equipment?
  • JPC
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