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Create Date / Rating Title / Poster	Last Post	Comments	Views
03/23/2026 4:01 AM What Really Defines a “Good” Resistor in Precision Current Sensing Applications? by Resi	Last post: 06/15/2026 9:38 AM by MikeMack747	2	151
06/11/2026 9:47 AM More on AI by Lehman57	Last post: 06/14/2026 12:20 PM by redfred	4	127
02/03/2025 7:33 AM How Birds Fly Over the Himalayas by HiTekRedNek	Last post: 06/11/2026 8:15 PM by Rixter	6	258
03/08/2026 6:06 AM AI/Copilot Interference with Search Questions by Just an Engineer	Last post: 06/10/2026 11:18 AM by nustyrnssdk	9	390
11/04/2024 12:19 PM Eroda Spark Eroder Machine by Johan van Niekerk	Last post: 06/09/2026 10:28 AM by naddy1974	16	208
03/26/2020 2:49 PM The Ultimate Weapon in the Fight Against the Covid19 Virus by SolarEagle	Last post: 06/04/2026 2:54 AM by iplwin	444	2807
05/07/2026 7:06 AM Stuck PVC Valve by HiTekRedNek	Last post: 06/03/2026 5:11 PM by SolarEagle	14	318
06/02/2026 4:24 AM Statimeter M5537 for ISO pumps by Leyla Alizade	Last post: 06/03/2026 1:27 AM by Leyla Alizade	5	96
02/20/2026 5:15 AM 10,000 Year Memory Storage by HiTekRedNek	Last post: 05/31/2026 12:47 PM by Doorman	13	287
04/23/2026 7:02 AM Calculate BTU by HiTekRedNek	Last post: 05/25/2026 5:17 AM by Codemaster	7	229
11/04/2019 11:36 AM KW to Temperature (Degree F) by wreckless192	Last post: 05/20/2026 7:24 PM by dkwarner	24	372
01/28/2026 9:28 AM Which One is the Most Efficient? by Trees4Life	Last post: 05/19/2026 11:17 AM by Codemaster	47	780
04/05/2026 6:21 AM Pressed for Food by HiTekRedNek	Last post: 05/19/2026 9:06 AM by steve45	20	307
04/29/2026 8:54 PM The Crystals that Wiped Out a Medication by Rixter	Last post: 05/13/2026 12:31 PM by Deefburger	4	321
12/23/2025 3:05 PM A Built-in Generator and Starter on the Engine Flywheel by HiTekRedNek	Last post: 05/13/2026 5:30 AM by monaca	40	659
05/02/2026 1:03 PM Yamaha Organ by Labyguy	Last post: 05/05/2026 3:34 PM by rwilliams	9	247
07/07/2025 5:41 PM Warning for Flood Prone Areas by HiTekRedNek	Last post: 05/01/2026 6:11 AM by Doorman	64	602
04/30/2026 2:59 AM Stability of Fluidized Beds at <50g Batch Sizes by Mahargha	Last post: 04/30/2026 2:59 AM by Mahargha	0	28
03/28/2026 8:23 AM Remote Control Lawnmower by HiTekRedNek	Last post: 04/29/2026 9:52 AM by Doorman	20	300
04/29/2026 8:15 AM How to Make a Link Linkable? by Anonymous Poster	Last post: 04/29/2026 8:15 AM by Anonymous Poster	0	28
09/25/2022 7:51 AM What were Roman Dodecahedrons used for? by Randall	Last post: 04/29/2026 4:53 AM by beancycle	32	437
03/30/2026 9:53 AM Bent Trees by HiTekRedNek	Last post: 04/27/2026 7:40 AM by marcot	7	210
05/19/2020 7:33 AM Charging at a Distance While in Motion by HiTekRedNek	Last post: 04/25/2026 7:12 PM by HiTekRedNek	58	546
04/14/2026 10:00 AM The Gold Fish Age by HiTekRedNek	Last post: 04/25/2026 9:28 AM by truth is not a compromise	15	182
11/27/2010 4:53 AM An Infinity of Infinities by Anonymous Poster	Last post: 04/23/2026 8:17 AM by beancycle	57	780
04/20/2026 5:25 PM Calls by HiTekRedNek	Last post: 04/22/2026 7:14 PM by HiTekRedNek	11	191
04/14/2026 6:50 PM 56 V DC to 48 V DC Converter by HiTekRedNek	Last post: 04/18/2026 10:49 PM by rwilliams	24	330
04/12/2026 8:04 AM A Universe of Bubbles by HiTekRedNek	Last post: 04/17/2026 4:26 AM by tkot	7	186
04/11/2026 3:59 AM Definition of Information by HiTekRedNek	Last post: 04/14/2026 5:09 PM by truth is not a compromise	8	147
02/14/2024 1:35 PM Brake Light Wiring Diagram by HiTekRedNek	Last post: 04/10/2026 2:43 PM by HiTekRedNek	12	441
08/19/2024 1:47 AM WatchPower Password Reset by abotha	Last post: 04/08/2026 8:41 AM by Anonymous Poster	7	328
04/03/2026 3:06 PM Part for Drain Tube by HiTekRedNek	Last post: 04/05/2026 4:26 PM by HiTekRedNek	10	111
06/05/2025 11:46 AM No Diet Cites the Precise Foods Needed to Reduce Weight by Trees4Life	Last post: 04/03/2026 7:02 AM by philking309	9	242
04/05/2013 5:30 PM Is Time an Illusion? by StandardsGuy	Last post: 04/03/2026 6:40 AM by HiTekRedNek	137	1204
01/24/2025 10:22 PM Binary Bio-Weapons by Gavilan	Last post: 03/29/2026 3:16 AM by The Wizard	14	591
03/24/2026 7:46 AM Tommey Reed Richard Clem Engine Update by Tommey Reed	Last post: 03/27/2026 10:11 PM by Tommey Reed	2	166
11/16/2021 9:35 PM Recycling Plastic by mike k	Last post: 03/24/2026 12:13 PM by GM1964	31	398
03/17/2026 7:01 AM Ancient Maps by HiTekRedNek	Last post: 03/22/2026 5:56 PM by chrisg288	31	290
02/16/2026 11:51 AM Measuring Light Speed Without a Clock by Haymaker	Last post: 03/17/2026 9:28 PM by Haymaker	28	302
02/18/2026 4:29 PM Imagine This by HiTekRedNek	Last post: 03/16/2026 8:40 AM by HiTekRedNek	13	219
03/15/2026 1:45 AM Why Network Traffic Analysis Is Challenging for Cisco 300-220 (CBRTHD) Exam Candidates by jamesshaw	Last post: 03/15/2026 1:45 AM by jamesshaw	0	62
02/28/2014 10:25 PM A Modern PID Controller for an Old Electric House Furnace by Gavilan	Last post: 03/11/2026 7:16 PM by Gavilan	18	540
03/09/2026 10:24 AM Test Quantity of Diamagnetic, Paramagnetic Particles in a Viscous Moving Liquid by HiTekRedNek	Last post: 03/09/2026 5:19 PM by HiTekRedNek	3	130
02/26/2026 10:44 PM Has Anyone Used Keyence SJ-F700 Static Eliminator on Laminator Machines? by Signode	Last post: 03/03/2026 8:42 AM by Ramanan Viswanathan	3	106
02/28/2026 7:09 AM UHMW for Inserts in Gasoline Engine? by HiTekRedNek	Last post: 03/01/2026 10:15 AM by Rixter	2	205
02/19/2026 10:53 AM Pilot With No Arms by steve45	Last post: 02/27/2026 9:05 PM by Rixter	5	202
08/19/2008 7:51 PM What's Behind Door Number Three? by Anonymous Poster	Last post: 02/26/2026 12:00 PM by Codemaster	22	420
02/22/2026 11:14 AM Is the Electron Made of Folded Light (Gamma Rays)? by Rixter	Last post: 02/25/2026 5:10 PM by Haymaker	4	184
07/19/2020 7:29 PM 670 nm Light Source by HiTekRedNek	Last post: 02/24/2026 2:39 PM by Karen3	43	938
01/24/2026 6:55 AM A Log Jam Unstick Trick by hitekrednek2	Last post: 02/23/2026 4:32 AM by Stef	3	317
11/25/2010 7:59 AM EARTH BAG HOMES by Common cents	Last post: 02/11/2026 12:28 PM by PWSlack	25	251
11/24/2010 8:10 AM Accurate Measurement of a Solder Iron Tip? by kfitch7275	Last post: 02/11/2026 12:25 PM by Anonymous Poster	16	1097
11/24/2010 7:09 AM Retain Water by Johan Reji	Last post: 02/11/2026 12:21 PM by PWSlack	6	191
10/15/2025 11:25 PM How to Remove Boron from Drilling Water Using Electrodialysis by Bonatech	Last post: 02/11/2026 12:14 PM by PWSlack	2	62
01/10/2026 1:57 PM How Deep is a Black Hole? by hitekrednek2	Last post: 02/11/2026 12:08 PM by PWSlack	14	437
11/05/2025 11:36 AM Analysis Paralysis by Doorman	Last post: 02/10/2026 6:15 PM by phoenix911	11	258
05/18/2018 3:20 PM Statistics Aid by Dr. Harry	Last post: 02/02/2026 2:53 PM by phoenix911	7	162
05/31/2020 3:16 AM Mail Charges in USA by Stef	Last post: 02/02/2026 7:00 AM by lyn	21	320
08/21/2013 8:37 PM Egypt Map from 1960 by HiTekRedNek	Last post: 01/31/2026 6:04 PM by Anonymous Poster	10	1377
01/20/2026 10:43 AM Re-Crimping Electrical Terminals by 69-er	Last post: 01/24/2026 7:19 PM by Stef	17	281
04/27/2022 3:53 AM The Duralast Battery Problem by kynix	Last post: 01/14/2026 10:07 AM by Koos03	6	295
10/02/2018 12:29 PM Shumacher Battery Charger Schematic by HiTekRedNek	Last post: 01/12/2026 10:57 AM by vsar	11	4239
12/23/2025 9:53 AM Anti-static Space Suits by HiTekRedNek	Last post: 01/10/2026 2:52 PM by Doorman	7	227
12/22/2025 2:31 PM British Canal Sinkhole? by Haymaker	Last post: 01/07/2026 9:19 PM by Lehman57	7	278
01/06/2026 6:40 AM Log In Issue by Codemaster	Last post: 01/07/2026 9:00 AM by JWthetech	6	99
09/21/2025 7:54 AM Using Attic Heat to Cool House by HiTekRedNek	Last post: 01/06/2026 12:26 AM by GM1964	20	310
05/31/2018 3:28 PM Three Seasons Room Roof Suggestions by frankd20	Last post: 01/04/2026 3:34 AM by GM1964	16	471
09/09/2025 9:47 PM Hello from Germany – Excited to Join CR4 Community! by Anonymous Poster	Last post: 12/18/2025 12:07 PM by Codemaster	8	127
03/27/2024 8:25 AM FSK Bridge Collapse by HiTekRedNek	Last post: 12/14/2025 8:06 PM by Lehman57	107	1134
12/11/2025 7:14 PM Transformer Search by HiTekRedNek	Last post: 12/11/2025 10:29 PM by Brave Sir Robin	1	168
12/03/2025 9:03 PM Is There More to Electromagnetics than Maxwell's Equations? by Rixter	Last post: 12/11/2025 7:59 PM by Rixter	5	246
10/15/2025 11:57 AM Homogenized Antifreeze? by HiTekRedNek	Last post: 12/11/2025 10:58 AM by Deefburger	25	212
11/06/2025 9:11 AM TPS (Tire Pressure Sensor) by HiTekRedNek	Last post: 12/10/2025 1:43 AM by rwilliams	33	402
10/27/2025 8:40 PM R3119N090A-TR-FE Voltage Detector by Anonymous Poster	Last post: 12/06/2025 12:01 AM by rwilliams	4	165
06/28/2018 12:00 AM Water Heater Installation Mini by SolarEagle	Last post: 12/04/2025 6:06 PM by phoenix911	22	300
12/04/2025 4:10 PM EN590, Mazut, D2, D6, Jet A1, LPG, LNG, Crude Oil by Sun3623	Last post: 12/04/2025 4:10 PM by Sun3623	0	40
10/17/2025 8:24 PM 1993 c3500 454 Motor Won't Crank Over When Warm by Bobosan	Last post: 12/03/2025 7:40 AM by DennisWebb	42	522
11/14/2025 2:17 AM Thinking About Solar Installations in Dubai by dxbmarket	Last post: 12/03/2025 4:43 AM by nosweatsolar	1	109
12/09/2009 11:43 PM Litigating Construction Disputes by upulchandima	Last post: 12/02/2025 6:44 AM by angelyca122	15	255
11/25/2025 2:47 AM NPN Transistor by Anonymous Poster	Last post: 11/25/2025 8:16 AM by redfred	1	133
11/08/2025 1:03 PM Old Westminster Door Chime and New Doorbell Camera Solved by Deefburger	Last post: 11/22/2025 11:10 AM by Deefburger	7	212
10/28/2018 4:08 PM Heat Reflective Coating for Roof by SolarEagle	Last post: 11/22/2025 6:53 AM by The Wizard	77	779
11/21/2025 1:15 AM Looking for Insights on WordPress SEO Best Practices in Austin-Based Markets by clicktraces	Last post: 11/21/2025 1:15 AM by clicktraces	0	29
11/17/2025 5:32 PM Logic by Anonymous Poster	Last post: 11/19/2025 9:55 AM by MV-5286	1	87
11/14/2025 10:13 AM Pool Water by lyn	Last post: 11/19/2025 6:42 AM by lyn	22	242
10/04/2025 2:14 AM Electronic Noise by Sid_Sidow	Last post: 11/16/2025 3:52 PM by Koos03	19	436
06/26/2013 12:38 AM Underground Pipe Leak Detection by gauthaman	Last post: 11/14/2025 7:41 AM by Anonymous Poster	18	472
11/11/2025 1:46 AM 74LVC1GX04GV for 3.3V and 5V Logic Signals by Anonymous Poster	Last post: 11/11/2025 1:46 AM by Anonymous Poster	0	52
11/03/2025 2:44 PM Remote-Control Project by Anonymous Poster	Last post: 11/04/2025 6:31 PM by Rixter	2	79
10/20/2025 10:34 AM Forward to the Past by HiTekRedNek	Last post: 10/28/2025 9:10 AM by Rixter	9	192
10/14/2021 6:42 PM Zero Carbon Energy Production by Lehman57	Last post: 10/25/2025 10:13 PM by Haymaker	87	830
10/14/2025 11:25 AM Splitting Water with Electricity and Ultrasound by HiTekRedNek	Last post: 10/20/2025 12:09 PM by Rixter	7	285
10/16/2025 3:20 AM Why Engineers Are Choosing Aluminum Profiles More Than Ever by Anonymous Poster	Last post: 10/20/2025 12:00 PM by dkwarner	5	98
10/20/2025 11:33 AM ADT7420UCPZ-RL7 in My Monitoring Project by Jordan1	Last post: 10/20/2025 11:33 AM by Jordan1	0	71
02/26/2009 11:39 PM UN Scientists: Climate Change Evidence is Unequivocal by Bayes	Last post: 10/19/2025 6:27 AM by sceptic	185	1010
10/15/2025 7:41 AM Where's the Beef (Leather) by HiTekRedNek	Last post: 10/17/2025 1:00 PM by SolarEagle	23	221
10/31/2007 1:32 PM RFQs for Aluminum Extrusions by Anonymous Poster	Last post: 10/17/2025 4:05 AM by echo979797	5	193
10/13/2025 5:03 PM LM50CIM3X for Temp Sensing by Anonymous Poster	Last post: 10/15/2025 8:45 AM by Rixter	2	57
10/15/2025 8:07 AM Tennis Shoes on a Bear? by HiTekRedNek	Last post: 10/15/2025 8:07 AM by HiTekRedNek	0	33
10/13/2025 8:57 AM Memory Storage in a Sphere by HiTekRedNek	Last post: 10/14/2025 12:06 AM by phoenix911	4	101

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