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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 close we are as to being able to utilize nanobots?
  • randeezy
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Alternative forms of temperature measurement?
  • atlbraves49
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1
Need some books? Take these off my hands!
  • Cyrus
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16
Optical System Design: Zemax tutorial
  • makeendsmeet
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2
Questions to ask about the IEEE
  • qwerty321
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4
What Does Normal to the Reference Surface Mean in Love's Hypothesis?
  • perfectz
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6
Electric cable heating of roof drains
  • TSN79
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1
What Are the Best Popular Engineering Books to Read?
  • ||spoon||
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Mermaid fin vs. conventional flipper
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4
Geotechnical: Prevent 500-Gallon Septic Tank Floating in Houston
  • Shackleford
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1
Can Stove Heat Be Recycled for Home Efficiency?
  • OAQfirst
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34
Flow rates in a pipe system using the hazen williams formula
  • amjid1709
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Manning's coeff to absolute roughness
  • Danger86514
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Washing Clothes: Mechanical vs Lazy Processes
  • tgt
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3
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Gaah Leaky Faucet is Driving Me Insane
  • russ_watters
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3
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68
Can a Solar-Powered Hydrogen Car Work for a High School Science Project?
  • tycon69
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7
What is the Evil Kinevil Ramp and How Does it Connect France and the UK?
  • linuxux
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8
What Makes the NOTAR Design of MD520N Helicopters Unique?
  • Cyrus
  • · Replies 8 ·
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8
Converting ANSI to NAS Bolt Specifications: Advice Needed
  • bigaggie
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4
How does this strange sand bag work?
  • Danred
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2
What Are the Best Practices for Designing Resilient and Adaptive Systems?
  • misgfool
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7
Wind Turbines for 2m/s Wind Velocity
  • MechaMZ
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11
High Energy Lasers: Questions & Answers
  • 0xDEADBEEF
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Calculate Beam Deflection at C using Superposition
  • hyper
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3
How do I model an Indeterminately Loaded Beam using theory?
  • bakoo
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Can I work under a Mechanical PE if I want to take the Civil PE exam?
  • CivilEnergy
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Where to Advertise for Landscaping Services in Seattle?
  • ronildexon
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4
  • Poll Poll
Pickens Plan -alternative energy
  • taylaron
  • · Replies 139 ·
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Static and kinematic determinacy
  • v_pino
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Question on moment distrobution with sway
  • nemesis24
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2
What Questions Should You Ask in an Engineer Interview for a School Project?
  • Jack Hass
  • · Replies 7 ·
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7
A machine that absorbs CO2? How?
  • OhyesOhno
  • · Replies 10 ·
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10
Looking to Interview an Engineer
  • Jalhalla
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5
Beam that is simply supported in the middle
  • vettett15
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5
How to Split a Room Easily and Efficiently?
  • hinella
  • · Replies 8 ·
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8
Oakland/East Bay weather vs. Seattle
  • monix.denix
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Beam with uniform loading supported at 4 corners
  • nmk15
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4
What is Maxwell's Rule for Determining Static-Determinacy in Structures?
  • v_pino
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Magnetic Fuel Saver: Tested & Discovered During WWII
  • gareth
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Solar collector design and simulation considerations
  • OAQfirst
  • · Replies 18 ·
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18
Which Engineering Degree Do I Need?
  • Code22
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6
Boxcar Average: A Simple and Lousy Filtering Mechanism?
  • flatmaster
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2
Is My Laptop Causing Memory Issues in COMSOL Multiphysics Simulations?
  • labd0001
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2
Calculating Force for Train Wagon Impact on Glass Furnace Door
  • Fritz_CT
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7
How did my earphones fix themselves?
  • frixis
  • · Replies 3 ·
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3
Solar energy heat energy light energy
  • WARGREYMONKKTL
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2
Question regarding Bouyancy in Water
  • Ralith
  • · Replies 2 ·
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2
Longest Service: Continuous Device Motion
  • wolram
  • · Replies 30 ·
2
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30
Need help focusing IR using a fresnel lens
  • Gianna
  • · Replies 4 ·
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4
Civil Engineering: Ask Your Questions Here!
  • JosephR
  • · Replies 1 ·
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1
Engineer Who Made a Big Impact: Who Is Greatest?
  • Oblivion77
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29
Moment of Inertia, Strong/Weak axis?
  • subwaybusker
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1
Tubing Points: Types & Locations
  • venkataramana
  • · Replies 1 ·
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1
Small Wind Turbine Power Measurement
  • julian_lp
  • · Replies 6 ·
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6
Designing a parachute system/device
  • Panic Attack
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3
Why are heat pipes not used in PEM fuel cells?
  • Topher925
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3
CG Calculation Help - Stability for Pole & Steel Base
  • itotal
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4
Hypothetical engineering problem - the 'handbag car'
  • qbit
  • · Replies 12 ·
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12
Structural Engineering -12x12 stiffness matrix analysis
  • elbarto
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4
Troubleshooting Turbine Flowmeter Calibration
  • robsmith82
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2
Possible Causes of the Boeing 777 Crash Landing at Heathrow?
  • Art
  • · Replies 135 ·
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135
What Causes Friction Between Engineers and Theorists?
  • chaoseverlasting
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15
What does an engineer really do?
  • JabberWalkie
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8
BP Invigorate Claims: Are They True?
  • Greg Bernhardt
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8
What's the Best Bag for Protecting My Books?
  • tom12519
  • · Replies 7 ·
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7
Will Japanese Engineering Solve the Evo Problem?
  • mgb_phys
  • · Replies 11 ·
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11
National Bureau of Standards, 3 GEE Cal test
  • MosesMann
  • · Replies 5 ·
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5
Mechanics of Solids - Crandall,Dahl, Lardner
  • i.mehrzad
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What is the safest blockage ratio?
  • Donny
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3
Structural Safety Of Freedom Tower
  • LightbulbSun
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14
The chevy volt, pipe dream or a viable solution?
  • Topher925
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3
Choosing the Right I Beam for 800lb Load Support
  • mebuildit
  • · Replies 3 ·
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3
  • Poll Poll
Research Poll: Public Support for a Nuclear Powered Aeroplane
  • dawson300
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Balanced/Imbalanced wind loads on Parabolic Dish
  • mike cangelos
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2
Confused about using an engineering tape measure for oilfield work?
  • Quadruple Bypass
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9
Who Were the Key Engineers Behind the Panama Canal's Construction?
  • Blank101
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Installing AMPL on Mac for OR Students
  • andrassy
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Manage rectangular cloth for square table
  • dipinsingh
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9
Can a Square Building Reduce Drag on a Cylindrical Building?
  • VooDoo
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6
Researching Physics of Maglev Train Systems
  • Josh1212
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Moving Big Rocks - Interesting Ways to Keep it Simple
  • Integral
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3
Weird Aviation Videos: Models or Something More?
  • wolram
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3
About rendering physical reality
  • ValenceE
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1
Why Won't My Dodge Stratus AC Switch from Defrost to Panel?
  • Ronnin
  • · Replies 11 ·
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11
Benefit of a Vortex Generator in a turbocharged automotive applications
  • bazzatron
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7
Technology to forecast earthquakes, volcanic activity
  • hammertime
  • · Replies 1 ·
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1
Turning saltwater into freshwater using a centrifuge?
  • TSN79
  • · Replies 5 ·
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5
Can Double Glazing Truly Soundproof Windows?
  • samfoster
  • · Replies 16 ·
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16
Is a double major in electrical and chemical engineering feasible?
  • lax1113
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Compensating for accelerometer values
  • turban2k
  • · Replies 2 ·
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Nominal Pipe Size and Diametre Nominal
  • TSN79
  • · Replies 13 ·
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13
Method to Measure CO2 concentration in room
  • Astra
  • · Replies 10 ·
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What size tires and tubes should I get for my hybrid bike?
  • WarPhalange
  • · Replies 20 ·
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Does Scrubbing in Motocross Really Improve Lap Times?
  • Racer77
  • · Replies 17 ·
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17
Can Moving Vehicles Generate Electricity with Electro Gravity Tiles?
  • sundar
  • · Replies 17 ·
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17
Can You Build a 20-30mph Motorized Longboard?
  • BigFly
  • · Replies 1 ·
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1
Now many lives does a wind turbine save?
  • 888eddy
  • · Replies 7 ·
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7
Shear Strength of an Erected Pipe
  • blackcomb
  • · Replies 4 ·
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Calculating Volume of Water/Air Needed for Filter Backwashing
  • Bashir2008
  • · Replies 9 ·
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9
Is Gas Flame Better than Charcoal Fire?
  • Evo
  • · Replies 35 ·
2
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35