Sponsored by:

Forum : General Discussion

To post to this forum you must register.
Sort
Page 1 of 165: « First 1 2 3 Next > Last »

Discussion Threads

Sort Threads   Create Date / Rating Title / Poster Last Post Comments Views
01/20/2025 6:47 AM Steel versus Aluminium
by electronick
Last post: 01/20/2025 9:50 PM
by SolarEagle
 8 44
01/13/2025 11:57 AM Anyone Know What the Full Implication of the Sentence in Bold Means?
by Trees4Life
Last post: 01/16/2025 10:16 PM
by phoenix911
 26 312
12/18/2024 5:11 AM Lead Poisoning
by HiTekRedNek
Last post: 01/16/2025 9:24 AM
by HiTekRedNek
 16 354
01/06/2025 5:32 AM Hydrogen, a Feasible Source of Energy?
by electronick
Last post: 01/16/2025 9:17 AM
by HiTekRedNek
 22 325
01/11/2025 2:37 PM Making Washboard Roads
by deanpavil
Last post: 01/16/2025 9:13 AM
by HiTekRedNek
 14 262
02/09/2011 7:25 AM Simplicity In Engineering
by penttijp
Last post: 01/16/2025 7:22 AM
by PWSlack
 8 179
02/08/2011 2:42 PM GE Range Issue
by purdygurl
Last post: 01/16/2025 7:20 AM
by PWSlack
 20 202
02/07/2011 9:33 AM Descaling a Water Heater
by Waidesworld
Last post: 01/16/2025 7:05 AM
by PWSlack
 34 2630
12/12/2014 10:00 AM Global Electric Capacity Crisis - Really!
by James Stewart
Last post: 01/13/2025 11:43 AM
by phoenix911
 91 488
01/06/2025 7:35 AM Genes Changed by Microwaves
by HiTekRedNek
Last post: 01/11/2025 8:38 PM
by BruceFlorida
 22 301
12/31/2024 8:50 AM Converting Sand into "Concrete"
by HiTekRedNek
Last post: 01/10/2025 10:07 AM
by piolenc
 11 240
10/05/2009 1:57 PM What are Your Favorite Sayings about Work & Life?
by Transcendian
Last post: 01/09/2025 8:59 AM
by phoenix911
 399 2177
12/30/2024 7:03 AM Breaking the Ice
by HiTekRedNek
Last post: 01/08/2025 2:12 PM
by steve45
 10 198
12/14/2024 9:03 AM Interview: Transforming Motion with Electrostatic Motors
by Trees4Life
Last post: 01/06/2025 7:42 AM
by PWSlack
 16 193
05/16/2010 10:02 PM Boiler Harmonics
by whezmabeer
Last post: 01/05/2025 5:35 AM
by PWSlack
 12 526
12/23/2024 8:49 PM What are These Utility Street Markings?
by BruceFlorida
Last post: 01/03/2025 10:51 PM
by steve45
 9 340
11/07/2014 2:25 PM Move Over Solyndra
by Fredski
Last post: 01/01/2025 2:40 PM
by SolarEagle
 9 318
12/28/2024 4:58 PM The Importance of Glass
by SolarEagle
Last post: 12/29/2024 10:55 PM
by dkwarner
 6 201
12/27/2024 11:36 PM This is Basically a Plastiguage only Pb Wire. Pretty Cool!
by Deefburger
Last post: 12/29/2024 7:41 AM
by BruceFlorida
 2 73
12/13/2024 9:32 AM Triangular Antennae
by HiTekRedNek
Last post: 12/28/2024 11:31 AM
by Rixter
 13 206
12/17/2024 5:08 AM Rogue Waves
by HiTekRedNek
Last post: 12/19/2024 2:34 PM
by Rixter
 8 261
12/12/2024 6:38 AM Unidentified Drones
by HiTekRedNek
Last post: 12/17/2024 6:16 PM
by Hooker
 46 318
12/13/2024 6:52 AM Kitchen Cabinet Door Hinge Has A Loose Screw
by BruceFlorida
Last post: 12/16/2024 7:35 AM
by Randall
 29 154
12/19/2011 9:04 PM "Earth" Temperature Just Below Frost Line
by Anonymous Poster
Last post: 12/16/2024 7:34 AM
by PWSlack
 50 1443
12/12/2024 7:05 AM German Silver
by HiTekRedNek
Last post: 12/14/2024 2:02 AM
by HiTekRedNek
 14 129
12/11/2024 7:42 AM Unlock Bitlocker
by HiTekRedNek
Last post: 12/12/2024 8:09 AM
by steve45
 4 135
08/08/2015 9:39 PM Your Tax Dollars At Work Causing Disasters
by lyn
Last post: 12/10/2024 10:21 AM
by Codemaster
 8 517
04/29/2015 2:57 PM What Is it? (Sorry, Again I Haven't a Clue.)
by Randall
Last post: 12/10/2024 7:15 AM
by PWSlack
 55 1495
07/31/2023 2:39 PM Vogtle Unit 3 Goes On Line
by lyn
Last post: 12/08/2024 10:25 AM
by Anonymous Poster
 14 267
11/15/2024 6:29 AM URANUS Flatulence: Is There a Comedian in the Audience?
by HiTekRedNek
Last post: 12/06/2024 10:57 AM
by HiTekRedNek
 8 186
11/18/2024 11:22 AM ABS Sensitivity?
by NSS
Last post: 12/06/2024 10:42 AM
by HiTekRedNek
 24 244
12/02/2022 5:51 PM Fire Extinguisher vs. Electronics??
by Sid_Sidow
Last post: 12/06/2024 6:28 AM
by The Wizard
 16 482
06/20/2019 6:39 AM Using the Wrong Tool for the Job
by Randall
Last post: 12/05/2024 1:03 PM
by HiTekRedNek
 153 1564
11/21/2024 6:56 AM Electrostatic Precipitation of Water Vapor from Clouds
by HiTekRedNek
Last post: 12/04/2024 11:48 PM
by HiTekRedNek
 23 279
11/18/2024 8:40 AM Using Mount Kilimanjaro to Launch Rockets: Chat with GPT
by Randall
Last post: 12/04/2024 7:24 AM
by SolarEagle
 11 241
11/17/2024 4:59 AM Model for a Pulse Detonation Turbo Driven Axle Engine
by SolarEagle
Last post: 11/29/2024 6:47 PM
by Deefburger
 13 224
11/22/2024 10:16 AM First Mechanical Qubit
by Rixter
Last post: 11/25/2024 7:14 AM
by Rixter
 2 240
07/08/2024 7:18 PM An Attempt to Refute Coriolis Coiling Water in the Sink
by Yuval
Last post: 11/20/2024 12:00 PM
by John Hadland
 12 361
11/08/2024 10:41 AM Gas Valve
by NSS
Last post: 11/17/2024 9:14 AM
by phoenix911
 8 304
11/16/2024 3:29 AM Hybrid Turbo Jet Engine
by SolarEagle
Last post: 11/17/2024 4:10 AM
by SolarEagle
 6 171
11/08/2024 11:32 AM Why do Some Power Switches Appear to Have Two Current Ratings?
by Randall
Last post: 11/15/2024 6:44 AM
by HiTekRedNek
 17 220
07/18/2024 8:34 AM Albedo of Stainless Finishes
by phoenix911
Last post: 11/08/2024 5:40 PM
by phoenix911
 19 275
11/04/2024 12:19 PM Eroda Spark Eroder Machine
by Johan van Niekerk
Last post: 11/06/2024 11:05 PM
by SolarEagle
 15 171
10/21/2024 3:37 PM Is the Earth Shrinking, or is the Sea Rising, Both or Neither?
by SolarEagle
Last post: 11/02/2024 4:57 AM
by Stef
 18 360
12/03/2009 1:45 AM remove myself from cr4
by elizo
Last post: 10/31/2024 8:08 AM
by PWSlack
 5 192
07/09/2024 12:48 AM What Do You Perceive as the Pros and Cons?
by SolarEagle
Last post: 10/27/2024 11:02 AM
by steve45
 18 481
09/03/2024 11:21 PM Can We Make a Sound That Will Cause Carbon Dioxide to Cool
by SolarEagle
Last post: 10/24/2024 9:27 AM
by Rixter
 40 447
10/08/2024 7:11 AM Winglets on Wind Turbines
by HiTekRedNek
Last post: 10/23/2024 5:56 PM
by Brave Sir Robin
 34 398
10/17/2024 6:30 PM Cleaning Tiny Gears Inside Sewing Machine
by netmaker
Last post: 10/22/2024 7:44 AM
by Randall
 11 214
09/04/2024 4:34 PM Where Have All the Hurricanes Gone?
by SolarEagle
Last post: 10/20/2024 7:10 AM
by artsmith
 30 568
10/05/2024 5:52 AM Water Collection from Condensation
by youngken
Last post: 10/12/2024 8:39 AM
by HiTekRedNek
 10 311
07/07/2024 9:20 PM Is a Worm Hole Created Between Entangled Particles?
by HiTekRedNek
Last post: 10/11/2024 8:57 PM
by artsmith
 12 341
08/21/2008 3:15 AM Recycling Credit Cards
by Andy K
Last post: 10/11/2024 5:36 AM
by PWSlack
 28 345
08/21/2008 12:18 AM Using a 60 Hz Power Supply with 50 Hz Equipment
by viren
Last post: 10/11/2024 5:35 AM
by PWSlack
 11 831
09/27/2024 2:43 AM Possible Cure For Diabetes
by SolarEagle
Last post: 10/06/2024 2:58 AM
by SolarEagle
 8 282
08/31/2007 2:19 PM The Best Way to Remove a Concrete Wall
by Anonymous Poster
Last post: 10/02/2024 6:24 AM
by Anonymous Poster
 24 2033
08/06/2007 5:14 PM Do Car Tires Have an Inside and Outside?
by Steve Melito ; also posted in Transportation
Last post: 10/01/2024 1:50 PM
by not so smart
 90 3784
09/19/2024 9:04 AM Electromagnetic Vortex Cannon
by Rixter
Last post: 09/24/2024 12:28 AM
by SolarEagle
 12 279
09/19/2024 9:37 AM Online Calculators
by Nigh
Last post: 09/20/2024 10:02 AM
by Gabriel
 3 184
08/02/2017 4:56 PM Strong Chemical Smell
by dawnbutz
Last post: 09/20/2024 2:19 AM
by SolarEagle
 16 427
09/14/2024 9:17 AM O2 Apocalypse
by BillLee
Last post: 09/18/2024 11:33 AM
by SolarEagle
 14 286
06/13/2021 3:48 AM Would You Sell a Car You Only Drove 600+ Miles?
by Autobroker
Last post: 09/12/2024 2:59 PM
by Autobroker
 73 604
09/05/2024 11:00 AM Interesting Puzzle
by Rixter
Last post: 09/12/2024 10:26 AM
by Randall
 16 356
03/05/2011 12:27 AM Design of Vertical Falling Film Evaporator
by Anonymous Poster
Last post: 09/10/2024 6:46 AM
by PWSlack
 16 1616
02/18/2010 11:41 PM Specific Heat of Furnace Oil
by Anonymous Poster
Last post: 09/10/2024 6:31 AM
by PWSlack
 12 1205
08/19/2024 6:19 AM Toroid Propeller
by HiTekRedNek
Last post: 09/06/2024 12:44 PM
by Lehman57
 30 399
08/21/2024 12:01 PM Can Large Language Models (LLMs) Understand?
by Rixter
Last post: 09/04/2024 10:43 AM
by SolarEagle
 13 269
10/29/2007 4:37 PM Solder Leads To Graphite For Conductivity Sensors
by studatnu
Last post: 09/03/2024 4:31 AM
by PWSlack
 9 642
08/19/2024 5:54 AM Killer Whales Playing with Food
by HiTekRedNek
Last post: 08/27/2024 5:11 AM
by truth is not a compromise
 13 251
08/19/2024 1:47 AM WatchPower Password Reset
by abotha
Last post: 08/24/2024 10:19 PM
by phoenix911
 6 112
08/14/2024 9:06 AM Testing a New UHDPE Netting
by netmaker
Last post: 08/23/2024 7:58 PM
by HiTekRedNek
 8 170
07/23/2024 12:58 PM A Major Milestone: Global Climate Pollution May Have Just Peaked
by lyn
Last post: 08/23/2024 7:52 PM
by phoenix911
 24 351
08/06/2011 10:47 PM Rust Remover
by NSS
Last post: 08/23/2024 10:16 AM
by PWSlack
 94 842
08/05/2024 4:30 PM Space Time is Like a Liquid
by HiTekRedNek
Last post: 08/22/2024 9:04 PM
by artsmith
 21 239
08/16/2024 7:22 PM Water vs Wind Dynamics
by artsmith
Last post: 08/22/2024 8:34 PM
by artsmith
 11 211
09/22/2008 5:55 PM Over what distance can a pump suck?
by GeoffP
Last post: 08/22/2024 7:42 AM
by PWSlack
 58 2284
05/22/2009 4:54 PM How Mature is Digital Camera Technology?
by Transcendian
Last post: 08/22/2024 5:31 AM
by PWSlack
 7 215
05/04/2012 10:24 AM What are the Worst Sources of Pollution?
by ronwagn
Last post: 08/21/2024 10:52 PM
by truth is not a compromise
 64 728
09/15/2010 5:40 AM Non Rated Spade Blind
by Anonymous Poster
Last post: 08/21/2024 10:27 AM
by PWSlack
 3 133
08/12/2024 12:08 AM Best Glue to Hold in Marine Environment
by netmaker
Last post: 08/21/2024 7:40 AM
by PWSlack
 37 281
08/12/2024 8:31 AM Slow Firestick
by HiTekRedNek
Last post: 08/19/2024 2:13 PM
by HiTekRedNek
 12 191
08/04/2024 7:58 AM Power Consumption of Motor Starters when Holding (Energized)
by HiTekRedNek
Last post: 08/19/2024 8:22 AM
by HiTekRedNek
 19 161
08/11/2024 4:43 PM Dog and Rabbit Problem
by Codemaster
Last post: 08/19/2024 6:02 AM
by Codemaster
 27 294
08/13/2024 1:09 PM Strain Gauges in Truck Scales
by HiTekRedNek
Last post: 08/17/2024 11:04 AM
by HiTekRedNek
 22 199
01/15/2007 1:59 PM Vegetable Oil and Home Heating
by frankd20
Last post: 08/14/2024 5:31 AM
by PWSlack
 55 7897
04/16/2012 4:05 PM Why do Americans Drive Front First into Their Driveways?
by passingtongreen
Last post: 08/12/2024 7:31 AM
by PWSlack
 79 1661
08/10/2024 5:54 PM Obsolete Stores for Solar Cells
by HiTekRedNek
Last post: 08/11/2024 11:39 PM
by Lehman57
 7 100
07/28/2024 10:13 PM Nature Seeks a Balance
by HiTekRedNek
Last post: 08/08/2024 7:13 AM
by HiTekRedNek
 12 169
07/31/2024 12:10 PM Worthwhile Gadgets
by Doorman
Last post: 08/07/2024 3:22 PM
by phoenix911
 8 139
08/06/2008 4:34 AM Nm3/hr to M3/hr .
by Anonymous Poster
Last post: 08/07/2024 7:44 AM
by Anonymous Poster
 13 24792
04/16/2024 12:12 PM Few Have Knowledge They Can Apply or Even Understand
by DaveB
Last post: 08/05/2024 11:26 AM
by phoenix911
 21 267
10/11/2007 10:26 AM Discrimination in recruitment processes
by gussosa
Last post: 08/03/2024 11:04 AM
by phoenix911
 34 314
07/19/2024 7:05 AM Staggered Implementation of Software Updates
by Randall
Last post: 07/28/2024 10:21 PM
by artsmith
 11 167
10/14/2017 4:41 PM Stretching A Wire
by ronseto
Last post: 07/26/2024 7:10 AM
by PWSlack
 38 818
03/21/2007 9:03 AM Elevator Shaft Water Removal
by N5EBA
Last post: 07/24/2024 9:31 AM
by PWSlack
 17 971
07/07/2024 9:09 PM Double Slit Experiment in a Vacuum?
by HiTekRedNek
Last post: 07/21/2024 9:34 AM
by HiTekRedNek
 11 172
07/20/2024 8:12 AM Repulsive Casimir Effect
by HiTekRedNek
Last post: 07/20/2024 9:06 AM
by Rixter
 1 142
05/23/2008 5:50 AM Hats On A Death Row
by Optimusprime
Last post: 07/16/2024 10:18 AM
by Randall
 35 803
08/23/2018 7:39 AM Cast Iron Manhole Rusted to Frame
by Del the cat
Last post: 07/12/2024 10:31 AM
by Randall
 83 1402
05/28/2010 5:59 PM Hot Water Cylinder Differentiation
by Anonymous Poster
Last post: 07/10/2024 6:49 AM
by PWSlack
 5 85
Page 1 of 165: « First 1 2 3 Next > Last »
To post to this forum you must register.

Display Options
Showing threads 1 to 100 of 16436
Sorted By Sorted By Sort Order Sort Order
From The From The
Post Type Post Type
Tags (comma-delimited) (comma-delimited)
Show Threads

Advertisement

Got Something to Say?
Ask a Question
Start a Discussion

Search this Forum
General Discussion:
Go

CR4 Sections
Aerospace
BioMech & BioMed
Chemical & Material Science
Civil Engineering
Communications & Electronics
Education and Engineering Careers
Electrical Engineering
General Discussion
Instrumentation
Manufacturing
Mechanical Engineering
New Technologies & Research
Software & Programming
Sustainable Engineering
Transportation

Site Directories
Forum Directory
Blog Directory
User Group Directory
RSS Feeds

CR4 Rules of Conduct
CR4 FAQ
Site Glossary

Who's Online (54 right now)
Show Members
Advertisement