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04/06/2024 11:17 AM Cosmic Rays Affecting Cloud Formation?
by HiTekRedNek ; posted in General Discussion
Last post: 04/17/2024 8:42 AM
by HiTekRedNek
 11 235
04/05/2024 7:57 AM Interesting Rocket Launch this Morning
by BruceFlorida ; posted in General Discussion
Last post: 04/10/2024 4:31 PM
by Brave Sir Robin
 3 256
04/02/2024 3:56 PM Coating to Improve Tensile Strength in Concrete Surface
by sqyuma ; posted in General Discussion
Last post: 04/12/2024 4:46 AM
by HiTekRedNek
 15 291
03/27/2024 8:25 AM FSK Bridge Collapse
by HiTekRedNek ; posted in General Discussion
Last post: 12/14/2025 8:06 PM
by Lehman57
 107 1134
03/19/2024 10:14 AM Why Use Copper Coated Steel Wire in a Motor?
by HiTekRedNek ; posted in General Discussion
Last post: 06/22/2025 8:37 PM
by HiTekRedNek
 22 464
03/18/2024 11:42 AM Reduce CO2, Save Millions on Road Maintenance
by HiTekRedNek ; posted in General Discussion
Last post: 04/02/2024 4:03 PM
by HiTekRedNek
 37 335
03/14/2024 10:23 AM NH3/CH4
by NSS ; posted in General Discussion
Last post: 03/14/2024 1:37 PM
by Rixter
 4 259
03/10/2024 5:19 PM The Feynman Sprinkler Problem
by Rixter ; posted in General Discussion
Last post: 03/18/2024 1:17 PM
by dkwarner
 36 406
03/04/2024 10:02 PM Building a Drone That can Follow and Film an F1 Race
by SolarEagle ; posted in General Discussion
Last post: 03/06/2024 8:50 AM
by MikeMack747
 3 169
03/02/2024 8:09 PM Why Do Bugs Fly into Lights?
by Rixter ; posted in General Discussion
Last post: 03/04/2024 9:17 PM
by SolarEagle
 5 264
03/02/2024 9:47 AM Two Years of Closed Access
by redfred ; posted in CR4 Feedback
Last post: 07/11/2025 6:25 PM
by lyn
 48 5377
02/29/2024 9:49 AM Vitrified Stone Walls
by HiTekRedNek ; posted in General Discussion
Last post: 03/09/2024 11:48 AM
by HiTekRedNek
 13 306
02/28/2024 7:17 PM How About the Narrow Linewidth Laser I Recently Bought?
by Lightfree ; posted in Commercial Space
Last post: 10/22/2025 12:59 AM
by ElinorBIrving
 3 2190
02/28/2024 9:30 AM Old Habits
by HiTekRedNek ; posted in General Discussion
Last post: 03/10/2024 9:51 AM
by HiTekRedNek
 8 308
02/28/2024 9:20 AM Fire Ant Colony Destruction
by HiTekRedNek ; posted in General Discussion
Last post: 03/09/2024 10:52 AM
by agua_doc
 17 376
02/26/2024 11:14 AM Interesting Phenomenon
by Rixter ; posted in General Discussion
Last post: 03/10/2024 10:13 AM
by HiTekRedNek
 8 244
02/24/2024 6:40 AM Microplastics in the 1700s?
by HiTekRedNek ; posted in General Discussion
Last post: 02/26/2024 3:01 PM
by Rixter
 13 412
02/24/2024 6:32 AM Radio Waves and Smoke Signals
by HiTekRedNek ; posted in General Discussion
Last post: 02/27/2024 4:57 PM
by HiTekRedNek
 15 236
02/22/2024 7:35 AM Rate
by JWthetech ; posted in General Discussion
Last post: 02/23/2024 6:23 AM
by JWthetech
 6 109
02/21/2024 2:36 PM Solving System of Non-linear Equations
by JBTardis ; posted in General Discussion
Last post: 02/29/2024 3:09 AM
by engineertony
 54 299
02/19/2024 2:21 PM Race Cars with No Drivers
by HiTekRedNek ; posted in General Discussion
Last post: 02/27/2024 4:22 PM
by HiTekRedNek
 36 260
02/14/2024 1:35 PM Brake Light Wiring Diagram
by HiTekRedNek ; posted in General Discussion
Last post: 04/10/2026 2:43 PM
by HiTekRedNek
 12 441
02/09/2024 3:08 PM Billion Tons of Rare Earths
by Haymaker ; posted in General Discussion
Last post: 02/11/2024 9:08 AM
by phoenix911
 5 497
02/05/2024 4:24 PM Charging a Nickel-Cadmium Battery
by Anonymous Poster ; posted in General Discussion
Last post: 02/17/2024 7:06 AM
by 67model
 15 767
02/05/2024 7:56 AM Delay "Off" Timer on Fridge Light
by Randall ; posted in General Discussion
Last post: 02/22/2024 6:02 AM
by Doorman
 38 437
01/27/2024 11:07 AM Unable to Send/Post a Topic
by thankan ; posted in General Discussion
Last post: 02/02/2024 9:41 AM
by HUSH
 10 168
01/23/2024 11:02 AM Mirror Focus?
by HiTekRedNek ; posted in General Discussion
Last post: 02/24/2024 11:46 AM
by Lehman57
 38 513
01/17/2024 8:10 PM Do You Own the Mineral Rights Under Your Land?
by SolarEagle ; posted in General Discussion
Last post: 02/12/2024 9:27 AM
by Nigh
 16 439
01/14/2024 10:35 AM How Did This Happen?
by HiTekRedNek ; posted in General Discussion
Last post: 02/04/2024 11:53 AM
by HiTekRedNek
 48 449
01/12/2024 9:02 AM Alternative Fuels for the Big Ships at Sea
by SolarEagle ; posted in General Discussion
Last post: 02/04/2024 8:53 AM
by SolarEagle
 50 447
01/04/2024 3:01 AM Initial Motion
by HiTekRedNek ; posted in General Discussion
Last post: 02/07/2024 12:20 PM
by redfred
 39 388
01/01/2024 6:55 PM Electricity Production in the US Over Time
by SolarEagle ; posted in General Discussion
Last post: 01/20/2024 6:03 PM
by SolarEagle
 22 398
12/29/2023 12:21 PM What Would You Make?
by Trees4Life ; posted in General Discussion
Last post: 01/26/2024 7:45 AM
by HiTekRedNek
 65 595
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 ; posted in General Discussion
Last post: 01/09/2024 9:45 AM
by Anonymous Poster
 31 254
12/27/2023 4:28 AM Can Nuclear Waste Ever Be Solved? Yes
by SolarEagle ; posted in General Discussion
Last post: 12/30/2023 7:03 PM
by Lehman57
 11 223
12/21/2023 12:02 PM Climate Finance Reporting is a Mess
by phoenix911 ; posted in General Discussion
Last post: 01/11/2024 6:57 AM
by BruceFlorida
 6 181
12/17/2023 9:30 PM Laptop Computer Keyboards
by Lehman57 ; posted in General Discussion
Last post: 01/03/2024 11:32 PM
by Lehman57
 79 438
12/17/2023 3:52 AM World's First Human Brain-Scale Neuromorphic Supercomputer
by SolarEagle ; posted in General Discussion
Last post: 01/13/2024 5:27 PM
by SolarEagle
 15 341
12/16/2023 10:30 AM Buoyancy
by NSS ; posted in General Discussion
Last post: 12/26/2023 9:57 PM
by jmueller
 17 241
12/15/2023 10:12 PM Two Questions......
by Sid_Sidow ; posted in General Discussion
Last post: 12/28/2023 5:55 PM
by Sid_Sidow
 9 236
12/12/2023 11:24 AM Gravity Waves
by HiTekRedNek ; posted in General Discussion
Last post: 12/22/2023 1:04 PM
by StandardsGuy
 15 271
12/09/2023 6:41 AM Is This Real?
by Randall ; posted in General Discussion
Last post: 12/13/2023 6:00 PM
by Rixter
 14 227
12/08/2023 8:23 AM Christmas Present Ideas for Technical People
by BruceFlorida ; posted in General Discussion
Last post: 02/13/2025 1:05 AM
by Ushuaya
 27 501
11/30/2023 3:59 PM A Unique Watch
by Anonymous Poster ; posted in General Discussion
Last post: 12/07/2023 10:58 AM
by Randall
 5 241
11/29/2023 4:26 PM Current Thinking in Neuro-degenerative Diseases
by SolarEagle ; posted in General Discussion
Last post: 12/01/2023 3:58 PM
by SolarEagle
 4 95
11/28/2023 6:56 PM Time and its Effects
by agua_doc ; posted in General Discussion
Last post: 12/15/2023 6:07 AM
by HiTekRedNek
 8 171
11/28/2023 5:07 AM Innovative Sealed Road Treatments
by Just an Engineer ; posted in General Discussion
Last post: 02/04/2024 10:01 PM
by SolarEagle
 13 224
11/14/2023 9:53 PM What Kind of Tape is This?
by Sid_Sidow ; posted in General Discussion
Last post: 11/25/2023 9:22 AM
by Sid_Sidow
 7 331
11/13/2023 7:32 AM Tesla Fires
by HiTekRedNek ; posted in General Discussion
Last post: 01/11/2024 11:08 PM
by Deefburger
 18 477
11/12/2023 11:39 AM First Small Modular Reactor Project Scrapped
by jhowdy ; posted in General Discussion
Last post: 11/14/2023 11:02 AM
by PAPADOC
 6 254
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