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08/11/2024 4:43 PM Dog and Rabbit Problem
by Codemaster
Last post: 08/19/2024 6:02 AM
by Codemaster
 27 377
08/13/2024 1:09 PM Strain Gauges in Truck Scales
by HiTekRedNek
Last post: 08/17/2024 11:04 AM
by HiTekRedNek
 22 239
01/15/2007 1:59 PM Vegetable Oil and Home Heating
by frankd20
Last post: 08/14/2024 5:31 AM
by PWSlack
 55 8037
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 1717
08/10/2024 5:54 PM Obsolete Stores for Solar Cells
by HiTekRedNek
Last post: 08/11/2024 11:39 PM
by Lehman57
 7 131
07/28/2024 10:13 PM Nature Seeks a Balance
by HiTekRedNek
Last post: 08/08/2024 7:13 AM
by HiTekRedNek
 12 205
07/31/2024 12:10 PM Worthwhile Gadgets
by Doorman
Last post: 08/07/2024 3:22 PM
by phoenix911
 8 169
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 26517
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
 21 298
10/11/2007 10:26 AM Discrimination in recruitment processes
by gussosa
Last post: 08/03/2024 11:04 AM
by phoenix911
 34 337
07/19/2024 7:05 AM Staggered Implementation of Software Updates
by Randall
Last post: 07/28/2024 10:21 PM
by artsmith
 11 194
10/14/2017 4:41 PM Stretching A Wire
by ronseto
Last post: 07/26/2024 7:10 AM
by PWSlack
 38 849
03/21/2007 9:03 AM Elevator Shaft Water Removal
by N5EBA
Last post: 07/24/2024 9:31 AM
by PWSlack
 17 1060
07/07/2024 9:09 PM Double Slit Experiment in a Vacuum?
by HiTekRedNek
Last post: 07/21/2024 9:34 AM
by HiTekRedNek
 11 211
07/20/2024 8:12 AM Repulsive Casimir Effect
by HiTekRedNek
Last post: 07/20/2024 9:06 AM
by Rixter
 1 174
05/23/2008 5:50 AM Hats On A Death Row
by Optimusprime
Last post: 07/16/2024 10:18 AM
by Randall
 35 845
08/23/2018 7:39 AM Cast Iron Manhole Rusted to Frame
by user-deleted-1105
Last post: 07/12/2024 10:31 AM
by Randall
 83 1532
05/28/2010 5:59 PM Hot Water Cylinder Differentiation
by Anonymous Poster
Last post: 07/10/2024 6:49 AM
by PWSlack
 5 110
12/01/2009 5:34 AM Gas Turbine Lubrication Oil and its Cooling System
by christopher
Last post: 07/08/2024 11:34 AM
by PWSlack
 3 309
03/23/2023 6:21 PM Cast iron bathtubs…
by phoenix911
Last post: 07/07/2024 8:31 PM
by HiTekRedNek
 26 450
05/19/2020 8:22 PM Chess Practice at School
by SolarEagle
Last post: 07/07/2024 7:22 PM
by Kris
 36 429
07/04/2024 8:47 AM Red Shift
by Haymaker
Last post: 07/04/2024 7:17 PM
by Haymaker
 6 185
05/27/2008 6:08 PM Mild steel corrosion and caustic
by aussiedownunder
Last post: 07/04/2024 5:10 AM
by PWSlack
 8 669
06/28/2024 8:47 AM Why a New Password for Every Time I Log In?
by HiTekRedNek
Last post: 07/01/2024 4:54 AM
by PWSlack
 8 159
06/12/2024 9:10 AM Are Space and Time Inseparable?
by hitekrednek2
Last post: 06/26/2024 10:03 AM
by Haymaker
 14 296
06/21/2024 6:59 AM Unable to Post to CR4 with Pictures
by BruceFlorida
Last post: 06/26/2024 9:34 AM
by gutmonarch
 23 176
06/18/2024 9:37 AM Is "OFF" Really "OFF"?
by HiTekRedNek
Last post: 06/26/2024 9:32 AM
by gutmonarch
 8 307
06/21/2024 11:09 PM Trying to Identify and Source Window Parts
by BruceFlorida
Last post: 06/26/2024 6:45 AM
by BruceFlorida
 15 237
01/25/2023 10:40 PM Source of Energy
by Lehman57
Last post: 06/22/2024 2:39 AM
by Gavilan
 55 938
04/23/2021 4:40 PM An Overhaul of the Electrical Grid Required for EV
by HiTekRedNek
Last post: 06/21/2024 10:44 AM
by WJMFIRE
 47 623
09/12/2023 8:33 AM DC Charger Controller for CCS1
by marcot
Last post: 06/19/2024 1:11 AM
by rwilliams
 7 180
06/09/2024 3:19 PM Light Driven Water Evaporation
by Rixter
Last post: 06/14/2024 12:46 PM
by Rixter
 14 335
05/21/2024 10:33 AM Thunderstorm Generator
by HiTekRedNek
Last post: 06/01/2024 6:50 PM
by lyn
 32 885
05/23/2024 7:26 PM Cooling a Workshop
by sqyuma
Last post: 05/29/2024 9:25 AM
by HiTekRedNek
 8 187
05/18/2024 7:55 AM Radio Programs from the 1940s Received on Modern Equipment
by HiTekRedNek
Last post: 05/29/2024 7:15 AM
by PWSlack
 11 373
05/23/2024 7:53 PM Image Posting Issue
by sqyuma
Last post: 05/25/2024 12:37 PM
by SolarEagle
 9 517
05/14/2024 9:30 AM Geo Storm Affects Farmers' Tractors
by HiTekRedNek
Last post: 05/22/2024 7:05 AM
by HiTekRedNek
 22 287
04/28/2024 8:04 AM How to Fix Unemployment
by HiTekRedNek
Last post: 05/18/2024 11:49 AM
by agua_doc
 16 383
04/18/2024 2:30 AM Determinant Identity
by kasharma
Last post: 05/18/2024 3:37 AM
by Randall
 3 200
05/10/2024 7:13 PM Special Formula Plastic Film
by NSS
Last post: 05/15/2024 8:23 AM
by HiTekRedNek
 13 206
05/10/2024 12:51 PM Aurora this Weekend
by Rixter
Last post: 05/15/2024 8:10 AM
by Rixter
 7 101
04/28/2024 10:35 AM Why Don't Advertisers Understand How to Present Filters?
by Randall
Last post: 05/11/2024 2:08 AM
by GM1964
 9 253
04/29/2024 4:12 PM Will Cut Groove Maintain its Shape After PVC Board is Bent?
by Trees4Life
Last post: 05/07/2024 5:01 PM
by Rixter
 19 315
05/03/2024 7:17 AM Sonar Image of the Adella Shores Shipwreck
by BruceFlorida
Last post: 05/04/2024 8:57 AM
by Rixter
 7 284
04/25/2024 4:24 AM Solar Tracking for Solar Cookers and Solar Panels, Project Update
by gaiatechnician
Last post: 04/30/2024 4:11 AM
by Nigh
 9 308
04/21/2023 10:27 AM Relay lens choice
by Nigh
Last post: 04/29/2024 11:42 AM
by Randall
 16 318
04/17/2024 9:04 AM Interesting Puzzle
by Rixter
Last post: 04/28/2024 9:02 PM
by dkwarner
 29 407
04/10/2024 3:47 PM Mt. Etna Blowing Smoke Rings
by Rixter
Last post: 04/27/2024 9:07 AM
by phoenix911
 14 332
06/12/2007 8:52 AM Multi hole orifice plate calculations
by amsats
Last post: 04/24/2024 9:31 AM
by Codemaster
 18 5225
07/21/2008 9:13 AM how to design a water level indicator using float?
by charlesdenieles
Last post: 04/23/2024 7:56 AM
by Anonymous Poster
 9 657
07/02/2016 9:24 AM No Back Pressure of Purifier Model Type Osc 5-02-066
by jm gamposilao
Last post: 04/23/2024 4:11 AM
by PWSlack
 7 549
04/24/2007 2:28 PM Universcale
by Mousejockey
Last post: 04/19/2024 7:10 AM
by PWSlack
 3 330
04/06/2024 11:17 AM Cosmic Rays Affecting Cloud Formation?
by HiTekRedNek
Last post: 04/17/2024 8:42 AM
by HiTekRedNek
 11 235
03/29/2011 9:24 AM Helium balloons and 1 tonne.
by Squeakybrain
Last post: 04/12/2024 9:36 AM
by PWSlack
 18 304
04/02/2024 3:56 PM Coating to Improve Tensile Strength in Concrete Surface
by sqyuma
Last post: 04/12/2024 4:46 AM
by HiTekRedNek
 15 291
04/05/2024 7:57 AM Interesting Rocket Launch this Morning
by BruceFlorida
Last post: 04/10/2024 4:31 PM
by Brave Sir Robin
 3 256
03/18/2024 11:42 AM Reduce CO2, Save Millions on Road Maintenance
by HiTekRedNek
Last post: 04/02/2024 4:03 PM
by HiTekRedNek
 37 335
03/10/2024 5:19 PM The Feynman Sprinkler Problem
by Rixter
Last post: 03/18/2024 1:17 PM
by dkwarner
 36 407
03/14/2024 10:23 AM NH3/CH4
by NSS
Last post: 03/14/2024 1:37 PM
by Rixter
 4 259
02/26/2024 11:14 AM Interesting Phenomenon
by Rixter
Last post: 03/10/2024 10:13 AM
by HiTekRedNek
 8 244
02/28/2024 9:30 AM Old Habits
by HiTekRedNek
Last post: 03/10/2024 9:51 AM
by HiTekRedNek
 8 308
02/29/2024 9:49 AM Vitrified Stone Walls
by HiTekRedNek
Last post: 03/09/2024 11:48 AM
by HiTekRedNek
 13 306
02/28/2024 9:20 AM Fire Ant Colony Destruction
by HiTekRedNek
Last post: 03/09/2024 10:52 AM
by agua_doc
 17 376
09/05/2023 8:47 AM Trying to Source Auto Parts
by Randall
Last post: 03/08/2024 5:50 PM
by SolarEagle
 49 434
03/04/2024 10:02 PM Building a Drone That can Follow and Film an F1 Race
by SolarEagle
Last post: 03/06/2024 8:50 AM
by MikeMack747
 3 170
03/02/2024 8:09 PM Why Do Bugs Fly into Lights?
by Rixter
Last post: 03/04/2024 9:17 PM
by SolarEagle
 5 264
02/21/2024 2:36 PM Solving System of Non-linear Equations
by JBTardis
Last post: 02/29/2024 3:09 AM
by engineertony
 54 299
02/24/2024 6:32 AM Radio Waves and Smoke Signals
by HiTekRedNek
Last post: 02/27/2024 4:57 PM
by HiTekRedNek
 15 236
02/19/2024 2:21 PM Race Cars with No Drivers
by HiTekRedNek
Last post: 02/27/2024 4:22 PM
by HiTekRedNek
 36 260
01/29/2013 7:02 PM Is this Considered Located in a Hazardous Area?
by wheel
Last post: 02/27/2024 7:32 AM
by HiTekRedNek
 60 1247
02/24/2024 6:40 AM Microplastics in the 1700s?
by HiTekRedNek
Last post: 02/26/2024 3:01 PM
by Rixter
 13 412
01/23/2024 11:02 AM Mirror Focus?
by HiTekRedNek
Last post: 02/24/2024 11:46 AM
by Lehman57
 38 513
02/22/2024 7:35 AM Rate
by JWthetech
Last post: 02/23/2024 6:23 AM
by JWthetech
 6 109
09/18/2008 5:48 AM Testing Methods & Standards for Brass Spring Check Valve??
by jonesliu
Last post: 02/22/2024 10:05 AM
by PWSlack
 11 204
08/23/2007 8:16 PM Level detector
by Juan Carlos XX
Last post: 02/22/2024 6:07 AM
by PWSlack
 3 196
02/05/2024 7:56 AM Delay "Off" Timer on Fridge Light
by Randall
Last post: 02/22/2024 6:02 AM
by Doorman
 38 437
07/07/2014 11:15 PM Contact
by cyclo
Last post: 02/22/2024 3:17 AM
by PWSlack
 8 215
09/30/2011 4:21 PM Projecting On Waterfall
by ky
Last post: 02/21/2024 6:37 PM
by SolarEagle
 14 396
08/19/2008 11:03 AM Calculating Vehicle and Trailer Turning Radius
by Divers
Last post: 02/21/2024 8:25 AM
by Anonymous Poster
 13 3314
05/21/2010 12:30 PM How About Concentrating on One Thing
by johnnyb5
Last post: 02/20/2024 7:16 AM
by Anonymous Poster
 41 464
05/21/2010 11:22 AM Steam consumption for 1MW of electricy
by rosli
Last post: 02/20/2024 7:12 AM
by PWSlack
 14 2056
02/05/2024 4:24 PM Charging a Nickel-Cadmium Battery
by Anonymous Poster
Last post: 02/17/2024 7:06 AM
by 67model
 15 767
07/12/2007 12:21 PM Ovality in Line Pipe
by Anonymous Poster
Last post: 02/14/2024 7:30 AM
by PWSlack
 13 1238
01/17/2024 8:10 PM Do You Own the Mineral Rights Under Your Land?
by SolarEagle
Last post: 02/12/2024 9:27 AM
by Nigh
 16 439
02/09/2024 3:08 PM Billion Tons of Rare Earths
by Haymaker
Last post: 02/11/2024 9:08 AM
by phoenix911
 5 497
01/04/2024 3:01 AM Initial Motion
by HiTekRedNek
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by redfred
 39 388
11/28/2023 5:07 AM Innovative Sealed Road Treatments
by Just an Engineer
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by SolarEagle
 13 224
01/14/2024 10:35 AM How Did This Happen?
by HiTekRedNek
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by HiTekRedNek
 48 449
01/12/2024 9:02 AM Alternative Fuels for the Big Ships at Sea
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by SolarEagle
 50 447
01/27/2024 11:07 AM Unable to Send/Post a Topic
by thankan
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by HUSH
 10 168
12/29/2023 12:21 PM What Would You Make?
by Trees4Life
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 65 595
06/27/2012 11:26 AM Converting Thermal Conductivity to Specific Heat
by Chris1988
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by PWSlack
 23 710
01/01/2024 6:55 PM Electricity Production in the US Over Time
by SolarEagle
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02/12/2023 11:14 AM Aliens are scam
by gutmonarch
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12/17/2023 3:52 AM World's First Human Brain-Scale Neuromorphic Supercomputer
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12/07/2006 7:02 PM Is a Chinese Dam Slowing the Earth's Rotation?
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 34 2375
11/13/2023 7:32 AM Tesla Fires
by HiTekRedNek
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12/21/2023 12:02 PM Climate Finance Reporting is a Mess
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 6 181
12/27/2023 7:54 PM Is it Possible to Apply Positive + in Favor of Newton III Motion Law as a Dynamic System in a Motor Engine?
by user-deleted-1003
Last post: 01/09/2024 9:45 AM
by Anonymous Poster
 31 254
11/01/2023 4:42 PM Supercritical CO2 Turbines a Leap in Efficiency
by SolarEagle
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by David H
 17 407
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