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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
Master Matrices: Converting 5x5 to 4x4 with Ease for Your Coursework
  • SamMcCrae
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What kind of engineering involves the most physics?
  • qpzm77gg
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4
(Structural Analysis) Moment Distribution Method: Help?
  • Khamul
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Front engine dragsters: where science met art.
  • uneasyrider
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8
How do you make a 1 kilometer seal?
  • 0xDEADBEEF
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10
Water drainage rate through soil.
  • zzinfinity
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Attempted to access data1(:,1); index out of bounds because size(data1)=[0,0].
  • Engiman
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How to Calculate Forces in a Beam Using the Method of Sections
  • Arty7
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3
How do I calculate center of mass using integrals and density?
  • aaronfue
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1
News Psst Want a new bridge? For free? :-)
  • jtbell
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13
Interview Professional Engineer for High School Engineering Project
  • cyanbeats
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Truss Analysis - Sections Method
  • aaronfue
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2
Convert muscular energy to electricity
  • mafik66
  • · Replies 12 ·
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12
Optical filter for better viewing of blacklight effects
  • HarryHutton
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5
I'm a bit concerned for my future.
  • OUmecheng
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7
What type of Engineering to choose
  • BlackShadow
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Engineering career conlsultation
  • narutoish
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1
How can teachers eliminate distractions when showing YouTube videos in class?
  • JPElectron
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2
Why Don’t Electric Stove Coils Shock You?
  • Undoubtedly0
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2
Finite element methods for Yield Line Analysis
  • Ronankeating
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So, to answer your question, no, professionals do not do drugs.
  • ralfsk8
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Transition from pressurised envoronment to vaccum environment
  • armin11
  • · Replies 62 ·
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How Does Acoustic Resonance Affect Frequency in Open Tubes?
  • faytmorgan
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6
What Caused the Spontaneous Fracture of an Ashtray with Lit Cigarette Buds?
  • abstracted6
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Geometry in a Truss: Find Internal Forces & X
  • mjan8468
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Most used mathematics for engineers?
  • 5ymmetrica1
  • · Replies 16 ·
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16
Lumped Mass vs Consistent Mass?
  • Ronankeating
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Air burst testing with concrete (scaled down)
  • Uncivil
  • · Replies 1 ·
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1
DIY Ice Rink Building Tips for Hockey Enthusiasts in South NJ
  • openbahr
  • · Replies 5 ·
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5
Examples for innovative ideas which helps rural india
  • issac newton
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Determining the Shape of a Water Clock: How to Find the Flow Rate?
  • jbarker91
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Did you have to give up everything else for engineering?
  • SushiKitten
  • · Replies 16 ·
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16
US Source for Lithium Iron batteries
  • dingpud
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Span distance 150x50 steel tubing
  • DANger-is
  • · Replies 4 ·
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4
Sizing Wind Turbine Generator - 8,000 Nm's - Help Needed!
  • av8ter
  • · Replies 4 ·
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4
Why does the engineering math need to be so rigerous?
  • Nikitin
  • · Replies 8 ·
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8
Power required to Elevate water
  • YouOne
  • · Replies 4 ·
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4
Cantilever, pin and UDL confusion
  • dan38
  • · Replies 5 ·
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5
Who Are the World's Top Engineers Across Various Disciplines?
  • sid_galt
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Computer Software Engineering vs Chemical Engineering
  • ambitionz
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4
Introductury thread, Nice to meet you PF
  • AGRS20
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Global System matrix assembly with different elements.
  • Ronankeating
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3
Design Process of Weapon-engineering?
  • choc1202
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Which impractical standards we use only because of inertia?
  • Czcibor
  • · Replies 23 ·
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23
Liquid Solar Generator: Can It Work?
  • anaximenes
  • · Replies 14 ·
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14
Eggs in Cement: Fetih 1453 Movie Scene Explained
  • Charles123
  • · Replies 8 ·
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Goal -> Constant Vacuum in a Chamber
  • nathancote
  • · Replies 6 ·
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6
VAWT Design Spec: 50KW Output, 2m Width, 35m/s Operational Wind
  • jinncraft
  • · Replies 2 ·
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2
How Do Wind Belts Oscillate?
  • stimulisRK
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Center of mass and center of area
  • hadeel
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Is the Betz Limit Calculation Based on Inaccurate Assumptions?
  • QwertyXP
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How Big Can a K'NEX Ball Machine Get?
  • Kutt
  • · Replies 5 ·
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5
Is Oil and Gas Engineering the Same as Petroleum Engineering?
  • medwatt
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4
Favorite Scientist? Nikola Tesla - Innovations, Discoveries & Inventions
  • grantwilliams
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Was the CTV building doomed from the start?
  • CatWhisperer
  • · Replies 12 ·
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12
Math from the Hood: Engineer Shares his Knowledge
  • micromass
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How Can Rich Utilize a 50cc Motor in His Engineering Projects?
  • pickerguy
  • · Replies 4 ·
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4
This Object ALWAYS Spins Counter-Clockwise, why?
  • jaridwarren
  • · Replies 4 ·
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4
Bolted Flange Joints: Studs vs. Bolts
  • Jack8rkin
  • · Replies 13 ·
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To anyone who has taken Engineering Statistics
  • JoeS4
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3
What's this steel bearing plate going to do under this steel I beam?
  • TimSmall
  • · Replies 31 ·
2
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? on where to get a tv schematic
  • slee95
  • · Replies 21 ·
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21
What is a High Gradient RF Structure
  • Sirben4
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Mass participation factor and it's role in modal anlysis
  • subha_iit
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2
Radiosonde (Upper Air Synopsis)
  • JohnielWhite
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2
Repairing the Chesapeake Bay Bridge
  • tasp77
  • · Replies 8 ·
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8
Zemax Optical Design: Tutorial & Exercises
  • Polopolo81
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4
How to measure center-to-center or centre-to-centre?
  • engnoobie
  • · Replies 11 ·
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Optimal Glass Selection for Vertical Farming Facades
  • zzinfinity
  • · Replies 6 ·
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Linear interpolation between two surfaces
  • GeoHamster
  • · Replies 1 ·
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What is the preferred drink for electrical engineers designing circuits?
  • dijkarte
  • · Replies 20 ·
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What is this plastic measuring thing?
  • Vorde
  • · Replies 11 ·
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11
What Are Your Innovative Ideas for Eco-Friendly Air-Conditioning?
  • subha_iit
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Tidal Energy - Cobscook Bay, Maine
  • Ouabache
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Comparing Deck Beams: 4"x10" vs. 4"x12" with Same Material and Load Conditions
  • walt88
  • · Replies 5 ·
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Is it possible to have curvature without bending moment?
  • Fuzzy_Dunlop
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2
What Defines a Hacker: Hobbyist or Professional?
  • dijkarte
  • · Replies 4 ·
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Purchase cheap and used text books
  • hops1
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Blast Simulation: FSI vs Load as Pressure
  • TheSymbol
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2
How Can I Efficiently Measure Indoor Air Quality in Multiple Buildings?
  • simone 1360
  • · Replies 4 ·
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Difference between partical shear stress and boundary shear stress
  • db725
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Finding a One-Way Membrane Solution
  • strokebow
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Ansys Guru Needed: Troubleshooting Offshore Wind Turbine Tower Units
  • sisquet
  • · Replies 6 ·
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What do engineers do on a daily basis?
  • Olive98
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Environmental Resistivity Study in Landfill Showing Lack of Signal Detection
  • Janette
  • · Replies 1 ·
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Is computer compulsory for first year engineering student?
  • vkash
  • · Replies 6 ·
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Why the older the nail the more difficult to remove?
  • Charles123
  • · Replies 7 ·
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7
What Is Hydrocyanic Pressure?
  • jasonraul
  • · Replies 3 ·
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Broken Concrete as Fill versus Soil
  • rodsika
  • · Replies 2 ·
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Why would fuel cells be good for the economy?
  • LogicX
  • · Replies 9 ·
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9
Beam depth or column size factor in loading
  • rodsika
  • · Replies 1 ·
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1
Is a Computer with No Moving Parts Truly 100% Solid State?
  • thetaobums
  • · Replies 17 ·
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How Can I Resolve the General Error Message in Ansys Workbench?
  • hx81
  • · Replies 1 ·
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1
Is a Water Distribution System the Solution to Water Scarcity?
  • dwilwohl
  • · Replies 7 ·
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7
What are Some Recommendations for User-Friendly Project Management Software?
  • AustProjEng
  • · Replies 6 ·
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6
ASTM A500 Grade B Square Tubing: Safely Supporting 180 lbs. Over 12 ft.
  • Jaman
  • · Replies 3 ·
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3
How does a portable fan oscillate?
  • driedupfish
  • · Replies 9 ·
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9
Help in Optimization using Genetic Algorithms
  • abuhashim
  • · Replies 2 ·
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Calculating MTBF with Polimore for Confused Users
  • lcr2139
  • · Replies 1 ·
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1
How to Estimate Air Leakage into a Vacuum Vessel?
  • Zrq
  • · Replies 3 ·
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3