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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 threadsJul 17, 2026

Electronics Low-Cost Object Detection System Using ESP32-CAM – Approach, Challenges

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Atmospheric CO2 removal technologies?

Jimster41
Jun 24, 2015 · Replies 64 · Jul 21, 2015

3

Replies: 64

Exporting Pictures from Maxwell: Solutions & Tips

hasan roshanaee
Jul 19, 2015 · Replies 1 · Jul 19, 2015

Replies: 1

Best Way to Control Vacuum Level in a series of Tanks

rollingstein
Jul 16, 2015 · Replies 1 · Jul 17, 2015

Replies: 1

Understanding the Repelling Forces of Magnets

Stoney
Jul 14, 2015 · Replies 4 · Jul 14, 2015

Replies: 4

What Is the Most Efficient and Safest Method to Generate Electricity?

wolram
Jul 5, 2015 · Replies 115 · Jul 12, 2015

4

Replies: 115

Length of Base to support weighted pillar

finndus
Jul 11, 2015 · Replies 2 · Jul 12, 2015

Replies: 2

Calculating Spiral Loadings in Helical Structures

HarryKoh
Jul 8, 2015 · Replies 2 · Jul 11, 2015

Replies: 2

Slab on a Brick wall (Only 3 columns)

Prasad2007
Jul 11, 2015 · Replies 1 · Jul 11, 2015

Replies: 1

"Members of a frame are axially inextensible" implication?

Ashu2912
Mar 1, 2015 · Replies 5 · Jul 11, 2015

Replies: 5

Solar array arrangement calculation method (not due south)

Foxyquik
Jun 13, 2015 · Replies 6 · Jul 6, 2015

Replies: 6

Build a Periscope - Get Help Now!

ChinToka
Jul 3, 2015 · Replies 2 · Jul 4, 2015

Replies: 2

Is it possible to build a windmill at home?

arabianights
Jun 30, 2015 · Replies 8 · Jul 3, 2015

Replies: 8

Concrete Columns: Building a 3-Floor House

Prasad2007
Jun 23, 2015 · Replies 3 · Jun 27, 2015

Replies: 3

Above Ground Pool: Managing Earth Berm Creep

Jeff Rosenbury
Jun 25, 2015 · Replies 2 · Jun 26, 2015

Replies: 2

Convert and Calculate Dimensions with Ti-89

Matthew2046
Jun 24, 2015 · Replies 1 · Jun 24, 2015

Replies: 1

Problem about Proof A simply supported beam

davidpotter
Jun 22, 2015 · Replies 2 · Jun 23, 2015

Replies: 2

ALCO Century Series Railroading in WNY & PA

Astronuc
Jun 21, 2015 · Replies 1 · Jun 21, 2015

Replies: 1

Micrometer Linear Actuator with manual adjustment knob

dc878787
Jun 16, 2015 · Replies 1 · Jun 19, 2015

Replies: 1

Water Main Increase: 80mm to 150mm - Pressure Breaks?

Breakorburst
Jun 17, 2015 · Replies 3 · Jun 18, 2015

Replies: 3

Can Metaglasses Technology be Applied to Smartphones?

Swetha.M.L
Jun 6, 2015 · Replies 1 · Jun 16, 2015

Replies: 1

Water-based Computers: An Innovative Invention

ShayanJ
Jun 15, 2015 · Replies 2 · Jun 16, 2015

Replies: 2

Distribution of ocean waves by Rayleigh

Dbe.098
Jun 13, 2015 · Replies 1 · Jun 15, 2015

Replies: 1

Sounds waves in recorders and octaves

Nathan Massey
Jun 13, 2015 · Replies 2 · Jun 14, 2015

Replies: 2

What is the correct way to compute physical displacement in FEM modal analysis?

dblanky
Jun 2, 2015 · Replies 1 · Jun 10, 2015

Replies: 1

Minimizing Specular Reflections in a Sagnac based Fiber Gyro

Diyon
Jun 4, 2015 · Replies 1 · Jun 5, 2015

Replies: 1

Cut Mini Solar Cell? | Physics Forums

godel maxwell
Jun 3, 2015 · Replies 1 · Jun 5, 2015

Replies: 1

[ansys] simulation of permanent magnet in 3D

s k gupta
Jun 4, 2015 · Replies 4 · Jun 4, 2015

Replies: 4

HUD display on car's rear wind shield

Nish6242
Jun 2, 2015 · Replies 2 · Jun 2, 2015

Replies: 2

Can We Create a Sun-Shaded Assembly Area for Our School?

Yashbhatt
May 21, 2015 · Replies 27 · May 30, 2015

Replies: 27

Insights A brachistochrone subway is not a cost-effective idea - Comments

rude man
May 14, 2015 · Replies 6 · May 26, 2015

Replies: 6

Formula for the number of terms being compounded

Square1
May 22, 2015 · Replies 4 · May 23, 2015

Replies: 4

Are Alternative Kinetic and Hydro Storage Solutions Viable for Solar Energy?

BernieM
May 20, 2015 · Replies 14 · May 23, 2015

Replies: 14

What Software Can Create 2D Contour Plots for Streamlines?

Eabbas
May 17, 2015 · Replies 3 · May 18, 2015

Replies: 3

Guides for bolt diameter and length against plate thickness?

Raf76
May 15, 2015 · Replies 6 · May 18, 2015

Replies: 6

Unlocking Potential: Overcoming Challenges and Harnessing Unique Abilities

Matx61971
May 16, 2015 · Replies 3 · May 17, 2015

Replies: 3

Looking for the fastest open source library to parse CSV

Jerry Sivan
May 16, 2015 · Replies 4 · May 16, 2015

Replies: 4

Graphical representation of elevation data.

umalik
May 14, 2015 · Replies 1 · May 14, 2015

Replies: 1

Predicting the Density of Concrete

smithson1984
May 14, 2015 · Replies 3 · May 14, 2015

Replies: 3

Modeling Ball and Spinning System

EngBoy
Apr 28, 2015 · Replies 2 · May 12, 2015

Replies: 2

How can I ensure even water flow to my garden?

Glurth
May 8, 2015 · Replies 6 · May 10, 2015

Replies: 6

What is the order of an inverted pendulum system with two degrees of freedom?

zoom1
May 9, 2015 · Replies 1 · May 9, 2015

Replies: 1

What are the limitations/ disadvantages of the Fourier Tran

ramdas
May 6, 2015 · Replies 4 · May 7, 2015

Replies: 4

Bridge Beam Shapes: Why Are They Different?

rollingstein
May 4, 2015 · Replies 5 · May 4, 2015

Replies: 5

Cable rotations formulae or method

Kyle Harris
May 2, 2015 · Replies 5 · May 3, 2015

Replies: 5

How to create electricity by pumping CO2 through water?

Tony Novelli
May 1, 2015 · Replies 5 · May 2, 2015

Replies: 5

Italian Engineers: US Perspective on College Background

Domenico94
Apr 29, 2015 · Replies 6 · Apr 30, 2015

Replies: 6

Using accelorometer and gyroscope in projectile motion

Hesham Zwayyed
Apr 28, 2015 · Replies 1 · Apr 30, 2015

Replies: 1

Explaining Bending Stress in Cantilever Beams

Timisoarian
Apr 29, 2015 · Replies 2 · Apr 29, 2015

Replies: 2

What's the color temperature for LEDs indicate?

iScience
Apr 24, 2015 · Replies 2 · Apr 24, 2015

Replies: 2

Solar updraft tower: How small a working unit can be made?

jab
Apr 23, 2015 · Replies 5 · Apr 24, 2015

Replies: 5

How Do I Begin an Outline for a System Analysis Project?

Susan Colins
Apr 23, 2015 · Replies 1 · Apr 23, 2015

Replies: 1

Exiting 101: Tips & Tricks for a Smooth Transition

solarblast
Apr 22, 2015 · Replies 2 · Apr 22, 2015

Replies: 2

Neutral axis vs microstrain plot

chinti
Apr 19, 2015 · Replies 1 · Apr 21, 2015

Replies: 1

Optimizing Cantilever Design: Solving for Minimum Mass and Maximum Strength

Vircona
Apr 19, 2015 · Replies 4 · Apr 19, 2015

Replies: 4

Calculate horizontal and vertical force components

Thomas Fuglsang
Apr 17, 2015 · Replies 1 · Apr 17, 2015

Replies: 1

Interpretation of Accelerometer Measurements

ClapClap
Apr 16, 2015 · Replies 4 · Apr 17, 2015

Replies: 4

How can I improve thresholding for real-time qrs detection?

AdityaShirvalk
Apr 17, 2015 · Replies 2 · Apr 17, 2015

Replies: 2

Citing a Patent: What Does It Mean?

Futurestar33
Apr 16, 2015 · Replies 1 · Apr 16, 2015

Replies: 1

Tension on bolts in anchor plate on concrete wall

DMT69
Apr 14, 2015 · Replies 6 · Apr 15, 2015

Replies: 6

Quandary: Art Project Seeks Movement

Entworthy
Apr 2, 2015 · Replies 8 · Apr 13, 2015

Replies: 8

Understanding Holograms: How Do They Work?

Jay Lakoda
Feb 7, 2015 · Replies 8 · Apr 11, 2015

Replies: 8

Help with Prototype: Find Cooling Fans for Solar-Powered Box

dkMountainGoat
Feb 3, 2015 · Replies 8 · Apr 9, 2015

Replies: 8

Controlling Water Flow for Sterilization and Filtration in a Gravity-Fed System

Judson1122
Mar 22, 2015 · Replies 10 · Apr 7, 2015

Replies: 10

Systems/processes which create conditional independence?

query_ious
Nov 26, 2014 · Replies 10 · Apr 7, 2015

Replies: 10

Limiting the effects of a pivot point? Homemade project

Rick Deckard
Apr 5, 2015 · Replies 2 · Apr 6, 2015

Replies: 2

Kalman filter with mixed frequency

Plouffy
Nov 24, 2014 · Replies 2 · Apr 5, 2015

Replies: 2

Quick-Release Fittings for Wood Supports on Walls

hyphagon
Apr 3, 2015 · Replies 3 · Apr 3, 2015

Replies: 3

Constructing a Bending Moment Function Using McCauley's Method

James20
Mar 31, 2015 · Replies 5 · Apr 2, 2015

Replies: 5

Can a DIY job gone wrong be fixed without professional help?

wolram
Apr 2, 2015 · Replies 6 · Apr 2, 2015

Replies: 6

Monitoring a drill acceleration

stregoi
Mar 30, 2015 · Replies 1 · Mar 30, 2015

Replies: 1

How Does the Ruler and Hammer Balance Trick Defy Physics?

Newtonfalls
Mar 28, 2015 · Replies 5 · Mar 28, 2015

Replies: 5

Moments of Inertia Explained: Helping Scott Understand Statics

scottymo
Mar 26, 2015 · Replies 1 · Mar 26, 2015

Replies: 1

What is the difference between the scattering BC and PML?

faryafada
Mar 23, 2015 · Replies 1 · Mar 24, 2015

Replies: 1

Software Coder's Stand Designs for a Touch Screen Display and PC: Review Needed!

cas97
Mar 16, 2015 · Replies 6 · Mar 21, 2015

Replies: 6

Solution to the world's energy problems:

jlefevre76
Feb 9, 2015 · Replies 12 · Mar 19, 2015

Replies: 12

Simple Beam Bending - Where am I going wrong?

skyturnred
Mar 18, 2015 · Replies 4 · Mar 18, 2015

Replies: 4

Gaining Knowledge & Skills Before Starting School: Ex-Navy in Florida

Fallen-S36
Mar 16, 2015 · Replies 7 · Mar 18, 2015

Replies: 7

Planar wave expansion cancelling through interference

Hache
Feb 3, 2015 · Replies 6 · Mar 17, 2015

Replies: 6

Feasibility of a jacket that generates heat

Kidphysics
Mar 8, 2015 · Replies 4 · Mar 16, 2015

Replies: 4

Harnessing Energy Of Jet Streams---Is It Really Possible?

Paradox101
Mar 9, 2015 · Replies 5 · Mar 11, 2015

Replies: 5

Free Body Diagram -- forces on a structure over a balcony wall

nate crosby
Mar 10, 2015 · Replies 1 · Mar 11, 2015

Replies: 1

Help with designing horizontal framework for UDL

Tim Allen
Feb 26, 2015 · Replies 2 · Mar 10, 2015

Replies: 2

Water Flow & Pressure: The Impact of Water Control Mechanisms on Overflow Time"

AryaUnderfoot
Mar 9, 2015 · Replies 2 · Mar 10, 2015

Replies: 2

What happens when a pressurized gas cylinder falls over?

f95toli
Mar 6, 2015 · Replies 6 · Mar 6, 2015

Replies: 6

Can Physics Optimize the Storage of L Beams in a Confined Space?

SNIPE
Mar 6, 2015 · Replies 4 · Mar 6, 2015

Replies: 4

FEM: How the weak form is related to an inner product

Carla White
Mar 3, 2015 · Replies 1 · Mar 4, 2015

Replies: 1

How do you get Newtons Squared?

TomBrooklyn
Mar 1, 2015 · Replies 2 · Mar 3, 2015

Replies: 2

Energy project for Universities implementation

MxwllsPersuasns
Mar 2, 2015 · Replies 3 · Mar 2, 2015

Replies: 3

Calculate Water Loss in Broken Pipes: Formula/Equation

Bennett Siwane
Mar 2, 2015 · Replies 2 · Mar 2, 2015

Replies: 2

Do I Need a License for Horizontal Thrust Rocket Tests?

Jason White
Feb 24, 2015 · Replies 6 · Feb 25, 2015

Replies: 6

When we can say that a waveguide is perfectly matched?

vinusherkhane
Feb 21, 2015 · Replies 1 · Feb 23, 2015

Replies: 1

Needlestick Prevention Survey - High Schoolers Need Input

needlestick
Feb 23, 2015 · Replies 1 · Feb 23, 2015

Replies: 1

How Do I Calculate Floor Loading for My Structure?

Saint.V8
Feb 15, 2015 · Replies 5 · Feb 17, 2015

Replies: 5

Keeping People Alive on Mars: A Discussion

edpell
Feb 11, 2015 · Replies 3 · Feb 16, 2015

Replies: 3

Help me design an attendance process for lectures

thecommexokid
Feb 11, 2015 · Replies 13 · Feb 15, 2015

Replies: 13

Can i make a 100% efficient device?

kaviraay
Feb 13, 2015 · Replies 10 · Feb 15, 2015

Replies: 10

Solving Water Leak Problem: Expert Input Needed | Fred

FredK
Feb 11, 2015 · Replies 2 · Feb 12, 2015

Replies: 2

Where can one still find a slide rule?

jack476
Feb 4, 2015 · Replies 22 · Feb 11, 2015

Replies: 22

Algorithm for Numerical approximation to add data points

Geeniey
Feb 10, 2015 · Replies 5 · Feb 10, 2015

Replies: 5

Magnet Repulsion: Stacking 10 Magnets in a Tube

eric davis
Feb 6, 2015 · Replies 4 · Feb 8, 2015

Replies: 4

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General Engineering

Engineering is a diverse and applied field that involves the application of scientific principles and mathematical methods to design, create, and optimize solutions for real-world problems.

Engineers use their analytical and problem-solving skills to innovate and develop technologies across various domains such as civil, mechanical, electrical, and aerospace engineering. The discipline encompasses the design of structures, machines, systems, and processes, with a focus on efficiency, functionality, and safety.

Engineers play a crucial role in shaping the modern world, contributing to advancements in infrastructure, transportation, communication, and numerous other technological domains.

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