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11/18/2024 8:40 AM Using Mount Kilimanjaro to Launch Rockets: Chat with GPT
by Randall
Last post: 03/17/2025 8:33 AM
by Randall
 12 359
03/08/2025 8:32 AM Help for Rosacea
by HiTekRedNek
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by HiTekRedNek
 6 206
03/01/2025 9:58 PM Engine Crane Weight
by schueydoo
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by steve45
 17 316
11/15/2017 2:51 PM MIL SPEC for Cable Labeling
by BruceFlorida
Last post: 03/05/2025 5:54 AM
by phoenix911
 13 796
02/09/2025 11:35 AM California Fires
by HiTekRedNek
Last post: 03/04/2025 12:06 PM
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 41 424
02/25/2025 9:55 AM Best Way to Lock a Screw
by HiTekRedNek
Last post: 03/03/2025 3:52 PM
by Brave Sir Robin
 11 311
05/09/2011 9:51 AM Two Submersible Pumps in One Well Bore
by Garthh
Last post: 03/02/2025 6:35 AM
by Kris
 51 2796
05/30/2024 8:48 PM Reverse Ground Clamp for Ladder Tray
by EV1guy2004
Last post: 02/25/2025 9:41 AM
by HiTekRedNek
 6 308
02/19/2025 12:28 PM Memory of Previous Contacts Affects Static Electricity
by Rixter
Last post: 02/25/2025 8:32 AM
by phoenix911
 20 228
02/19/2025 4:14 AM Non-Metallic Arbour Press
by Nigh
Last post: 02/24/2025 4:29 AM
by Nigh
 18 251
10/30/2013 7:11 AM Diesel Generator - Noise levels
by SJM
Last post: 02/21/2025 5:28 AM
by PWSlack
 11 272
02/02/2025 3:21 PM Aircraft Collision
by SolarEagle
Last post: 02/14/2025 9:32 PM
by SolarEagle
 32 451
12/08/2023 8:23 AM Christmas Present Ideas for Technical People
by BruceFlorida
Last post: 02/13/2025 1:05 AM
by Ushuaya
 27 501
02/08/2025 10:55 AM Ultrasonic Waves Resonance
by yesyen
Last post: 02/12/2025 6:06 PM
by Brave Sir Robin
 28 308
02/07/2025 10:39 AM Flat Mains Cable for Door and Window Jambs, etc.
by Randall
Last post: 02/12/2025 7:59 AM
by Randall
 20 472
02/07/2025 11:28 AM Spark Guidance
by HiTekRedNek
Last post: 02/10/2025 7:34 AM
by gideon
 3 141
01/06/2025 5:32 AM Hydrogen, a Feasible Source of Energy?
by electronick
Last post: 02/07/2025 6:13 AM
by The Wizard
 29 421
02/22/2013 1:09 AM Circles in Principal Circle
by Anonymous Poster
Last post: 02/05/2025 10:03 AM
by phoenix911
 14 527
12/30/2014 9:16 AM Carpentry and Mathematics
by Codemaster
Last post: 02/04/2025 2:59 PM
by phoenix911
 36 812
09/03/2009 12:07 AM About my visit to CR4 and colloquialisms
by CraziestOzzy
Last post: 02/04/2025 8:03 AM
by PWSlack
 11 159
01/13/2025 11:57 AM Anyone Know What the Full Implication of the Sentence in Bold Means?
by Trees4Life
Last post: 02/03/2025 4:56 PM
by phoenix911
 46 578
01/20/2025 6:47 AM Steel versus Aluminium
by electronick
Last post: 02/03/2025 5:49 AM
by electronick
 28 326
01/27/2025 1:01 PM DeepSeek
by SolarEagle
Last post: 02/02/2025 11:13 PM
by SolarEagle
 15 241
01/28/2025 7:37 AM VFD on Heat Pump Compressor
by HiTekRedNek
Last post: 01/30/2025 9:34 PM
by Gavilan
 19 195
01/27/2025 6:20 AM Archimedes Principle at Work Here
by HiTekRedNek
Last post: 01/28/2025 11:56 AM
by Codemaster
 8 226
11/09/2020 7:44 AM Pfizer, BioNTech say Covid Vaccine is More Than 90% Effective
by SolarEagle
Last post: 01/28/2025 8:01 AM
by phoenix911
 26 296
03/20/2009 9:57 AM Will a 50-Hz Washing Machine Work at 60-Hz?
by gbequizo
Last post: 01/27/2025 11:16 AM
by The Wizard
 21 3224
11/07/2014 2:25 PM Move Over Solyndra
by Fredski
Last post: 01/24/2025 8:56 PM
by phoenix911
 10 360
11/21/2024 6:56 AM Electrostatic Precipitation of Water Vapor from Clouds
by HiTekRedNek
Last post: 01/24/2025 11:40 AM
by Haymaker
 26 415
01/11/2025 2:37 PM Making Washboard Roads
by deanpavil
Last post: 01/22/2025 12:53 PM
by jmueller
 15 373
12/18/2024 5:11 AM Lead Poisoning
by HiTekRedNek
Last post: 01/16/2025 9:24 AM
by HiTekRedNek
 16 406
02/09/2011 7:25 AM Simplicity In Engineering
by penttijp
Last post: 01/16/2025 7:22 AM
by PWSlack
 8 205
02/08/2011 2:42 PM GE Range Issue
by purdygurl
Last post: 01/16/2025 7:20 AM
by PWSlack
 20 229
02/07/2011 9:33 AM Descaling a Water Heater
by Waidesworld
Last post: 01/16/2025 7:05 AM
by PWSlack
 34 2969
12/12/2014 10:00 AM Global Electric Capacity Crisis - Really!
by James Stewart
Last post: 01/13/2025 11:43 AM
by phoenix911
 91 511
01/06/2025 7:35 AM Genes Changed by Microwaves
by HiTekRedNek
Last post: 01/11/2025 8:38 PM
by BruceFlorida
 22 353
12/31/2024 8:50 AM Converting Sand into "Concrete"
by HiTekRedNek
Last post: 01/10/2025 10:07 AM
by piolenc
 11 327
12/30/2024 7:03 AM Breaking the Ice
by HiTekRedNek
Last post: 01/08/2025 2:12 PM
by steve45
 10 242
12/14/2024 9:03 AM Interview: Transforming Motion with Electrostatic Motors
by Trees4Life
Last post: 01/06/2025 7:42 AM
by PWSlack
 16 256
05/16/2010 10:02 PM Boiler Harmonics
by whezmabeer
Last post: 01/05/2025 5:35 AM
by PWSlack
 12 620
12/23/2024 8:49 PM What are These Utility Street Markings?
by BruceFlorida
Last post: 01/03/2025 10:51 PM
by steve45
 9 459
12/28/2024 4:58 PM The Importance of Glass
by SolarEagle
Last post: 12/29/2024 10:55 PM
by dkwarner
 6 233
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
 2 106
12/13/2024 9:32 AM Triangular Antennae
by HiTekRedNek
Last post: 12/28/2024 11:31 AM
by Rixter
 13 250
12/17/2024 5:08 AM Rogue Waves
by HiTekRedNek
Last post: 12/19/2024 2:34 PM
by Rixter
 8 305
12/12/2024 6:38 AM Unidentified Drones
by HiTekRedNek
Last post: 12/17/2024 6:16 PM
by Hooker
 46 353
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
 29 237
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 1573
12/12/2024 7:05 AM German Silver
by HiTekRedNek
Last post: 12/14/2024 2:02 AM
by HiTekRedNek
 14 167
12/11/2024 7:42 AM Unlock Bitlocker
by HiTekRedNek
Last post: 12/12/2024 8:09 AM
by steve45
 4 172
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
 8 545
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 1534
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
 14 326
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
 8 218
11/18/2024 11:22 AM ABS Sensitivity?
by NSS
Last post: 12/06/2024 10:42 AM
by HiTekRedNek
 24 279
12/02/2022 5:51 PM Fire Extinguisher vs. Electronics??
by Sid_Sidow
Last post: 12/06/2024 6:28 AM
by The Wizard
 16 590
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
 13 254
11/22/2024 10:16 AM First Mechanical Qubit
by Rixter
Last post: 11/25/2024 7:14 AM
by Rixter
 2 268
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
 12 417
11/08/2024 10:41 AM Gas Valve
by NSS
Last post: 11/17/2024 9:14 AM
by phoenix911
 8 333
11/16/2024 3:29 AM Hybrid Turbo Jet Engine
by SolarEagle
Last post: 11/17/2024 4:10 AM
by SolarEagle
 6 213
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
 17 264
07/18/2024 8:34 AM Albedo of Stainless Finishes
by phoenix911
Last post: 11/08/2024 5:40 PM
by phoenix911
 19 356
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
 18 410
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
 18 536
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
 40 505
10/08/2024 7:11 AM Winglets on Wind Turbines
by HiTekRedNek
Last post: 10/23/2024 5:56 PM
by Brave Sir Robin
 34 448
10/17/2024 6:30 PM Cleaning Tiny Gears Inside Sewing Machine
by netmaker
Last post: 10/22/2024 7:44 AM
by Randall
 11 255
09/04/2024 4:34 PM Where Have All the Hurricanes Gone?
by SolarEagle
Last post: 10/20/2024 7:10 AM
by artsmith
 30 612
10/05/2024 5:52 AM Water Collection from Condensation
by youngken
Last post: 10/12/2024 8:39 AM
by HiTekRedNek
 10 343
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
 12 373
08/21/2008 3:15 AM Recycling Credit Cards
by Andy K
Last post: 10/11/2024 5:36 AM
by PWSlack
 28 372
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
 11 870
09/27/2024 2:43 AM Possible Cure For Diabetes
by SolarEagle
Last post: 10/06/2024 2:58 AM
by SolarEagle
 8 317
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 2163
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 3948
09/19/2024 9:04 AM Electromagnetic Vortex Cannon
by Rixter
Last post: 09/24/2024 12:28 AM
by SolarEagle
 12 336
09/19/2024 9:37 AM Online Calculators
by Nigh
Last post: 09/20/2024 10:02 AM
by Gabriel
 3 222
08/02/2017 4:56 PM Strong Chemical Smell
by dawnbutz
Last post: 09/20/2024 2:19 AM
by SolarEagle
 16 482
09/14/2024 9:17 AM O2 Apocalypse
by BillLee
Last post: 09/18/2024 11:33 AM
by SolarEagle
 14 325
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
 73 658
09/05/2024 11:00 AM Interesting Puzzle
by Rixter
Last post: 09/12/2024 10:26 AM
by Randall
 16 387
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 1681
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 1270
08/19/2024 6:19 AM Toroid Propeller
by HiTekRedNek
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by Lehman57
 30 439
08/21/2024 12:01 PM Can Large Language Models (LLMs) Understand?
by Rixter
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 13 301
10/29/2007 4:37 PM Solder Leads To Graphite For Conductivity Sensors
by studatnu
Last post: 09/03/2024 4:31 AM
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 9 706
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
 13 297
08/14/2024 9:06 AM Testing a New UHDPE Netting
by netmaker
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 8 208
07/23/2024 12:58 PM A Major Milestone: Global Climate Pollution May Have Just Peaked
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 24 394
08/06/2011 10:47 PM Rust Remover
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 94 877
08/05/2024 4:30 PM Space Time is Like a Liquid
by HiTekRedNek
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 21 275
08/16/2024 7:22 PM Water vs Wind Dynamics
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09/22/2008 5:55 PM Over what distance can a pump suck?
by GeoffP
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 58 2549
05/22/2009 4:54 PM How Mature is Digital Camera Technology?
by Transcendian
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 7 249
05/04/2012 10:24 AM What are the Worst Sources of Pollution?
by ronwagn
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by truth is not a compromise
 64 769
09/15/2010 5:40 AM Non Rated Spade Blind
by Anonymous Poster
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 3 169
08/12/2024 12:08 AM Best Glue to Hold in Marine Environment
by netmaker
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08/12/2024 8:31 AM Slow Firestick
by HiTekRedNek
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by HiTekRedNek
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 19 200
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