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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
09/15/2025 10:15 AM Refrigerant for Geothermal Energy Recovery
by SolarEagle
Last post: 10/11/2025 4:07 AM
by Andy Frew
 4 167
09/30/2025 5:18 PM Knot Theory Conjecture Proven Wrong!
by redfred
Last post: 10/10/2025 7:28 PM
by Deefburger
 6 242
10/06/2025 8:08 PM 113990436 Module in a Control Setup?
by Jordan1
Last post: 10/06/2025 8:08 PM
by Jordan1
 0 44
10/03/2025 12:08 PM Fire Protection
by jasperfire
Last post: 10/03/2025 1:53 PM
by jasperfire
 2 53
09/29/2025 6:45 AM Space Time Does Not Exist
by HiTekRedNek
Last post: 09/30/2025 10:30 AM
by Haymaker
 8 158
09/29/2025 7:01 AM Corn Dog Splinters
by HiTekRedNek
Last post: 09/30/2025 4:12 AM
by The Wizard
 1 48
09/22/2025 2:58 AM Partial Discharge Temperature Monitoring
by cqbluejay
Last post: 09/25/2025 12:40 PM
by HiTekRedNek
 6 195
09/23/2025 9:07 PM TAKARA Belmont Barber Chair
by Jim Karr
Last post: 09/24/2025 2:04 PM
by Jim Karr
 3 87
09/21/2025 11:18 AM Moisture Detector for Ceramic Tile
by HiTekRedNek
Last post: 09/24/2025 8:46 AM
by Rixter
 7 148
04/27/2021 7:00 AM Caption This: Emergency Exit
by BruceFlorida
Last post: 09/23/2025 11:42 AM
by Randall
 29 842
09/19/2025 3:45 AM Best Practices for Home Maintenance in Hot and Humid Climates
by dxbmarket
Last post: 09/22/2025 8:58 PM
by Jordan1
 1 112
12/20/2011 3:07 PM When Did You Get Indoor Plumbing?
by ddk
Last post: 09/22/2025 3:30 PM
by Koos03
 61 753
09/11/2025 2:48 PM Moths' Sense of Smell
by HiTekRedNek
Last post: 09/21/2025 11:13 AM
by notla
 11 277
08/30/2010 11:44 AM Black Iron Pipe for Fire Sprinkler System?
by Marc in MA
Last post: 09/17/2025 11:40 PM
by Juanvalle
 14 1254
09/03/2025 12:04 PM Pressures?
by NSS
Last post: 09/17/2025 8:06 AM
by Rixter
 34 357
09/14/2025 12:12 PM Busy Beaver Calculation
by HiTekRedNek
Last post: 09/16/2025 8:03 AM
by HiTekRedNek
 4 129
09/15/2025 5:48 PM GP2Y1014AU0F Optical Dust Sensor Showing Very Low Sensitivity
by Anonymous Poster
Last post: 09/15/2025 6:41 PM
by Doorman
 1 115
09/05/2025 7:39 AM Is Spacetime a Fluid?
by HiTekRedNek
Last post: 09/11/2025 2:58 PM
by Doorman
 15 240
06/23/2025 8:30 AM Notched Piston Rings
by HiTekRedNek
Last post: 09/09/2025 2:54 AM
by The Wizard
 16 316
08/25/2025 12:32 PM Can an Iceberg be Broken into Smaller Pieces by Explosives?
by HiTekRedNek
Last post: 09/06/2025 3:39 PM
by lyn
 10 263
09/04/2025 8:40 AM Iron Nanoparticles
by HiTekRedNek
Last post: 09/06/2025 11:45 AM
by StandardsGuy
 2 120
09/04/2025 8:26 AM Hurricane Resistant Structures
by HiTekRedNek
Last post: 09/05/2025 11:47 AM
by The Wizard
 10 157
06/23/2025 8:40 AM Time Measurement
by HiTekRedNek
Last post: 09/05/2025 2:37 AM
by tkot
 54 445
08/08/2025 7:13 AM Self-Regulating Population
by HiTekRedNek
Last post: 08/29/2025 3:59 PM
by The Wizard
 15 287
08/28/2025 9:10 AM Flying Fish Ancestry?
by HiTekRedNek
Last post: 08/29/2025 8:06 AM
by Rixter
 4 178
10/30/2020 4:20 PM How to Upcycle or Recycle HDPE?
by d_entrepreneur
Last post: 08/20/2025 3:23 PM
by Willy Wolf
 8 454
07/10/2025 5:55 AM Piezo Actuators Source
by Nigh
Last post: 08/20/2025 11:03 AM
by Nigh
 4 259
08/21/2007 2:11 PM Electrocuting Borers in an Ash Tree
by casey jones
Last post: 08/17/2025 10:26 AM
by phoenix911
 47 706
08/13/2025 7:45 AM Can I Convert MSG Contacts to VCF File Without Opening Outlook?
by micalcrook
Last post: 08/13/2025 7:45 AM
by micalcrook
 0 91
12/20/2015 12:27 PM Burning Question for Sunday Morning
by lyn
Last post: 08/12/2025 6:12 PM
by phoenix911
 58 1212
09/04/2008 8:32 PM And in Arctic News......Global Warming refusing to be ignored
by Bayes
Last post: 08/07/2025 7:37 AM
by sceptic
 128 18803
07/10/2025 5:43 AM Multi Slit Experiment
by HiTekRedNek
Last post: 08/05/2025 11:43 PM
by Haymaker
 18 315
09/15/2017 1:46 PM Working for Peanuts
by lyn
Last post: 08/05/2025 1:50 PM
by phoenix911
 88 590
02/07/2009 4:28 PM Green House Effect - Sounds like a great idea
by bwire
Last post: 08/05/2025 8:01 AM
by sceptic
 69 642
05/25/2024 7:29 AM Microscopic Black Holes?
by HiTekRedNek
Last post: 08/05/2025 7:50 AM
by dougefresh
 8 268
10/05/2009 1:57 PM What are Your Favorite Sayings about Work & Life?
by Transcendian
Last post: 08/03/2025 1:50 AM
by HeadsUp
 401 2271
06/15/2010 11:35 PM Solar Panel Collector Angle
by Anonymous Poster
Last post: 08/02/2025 10:33 PM
by gsuhas
 35 547
07/20/2025 8:27 AM A 20 Cent Centrifuge
by HiTekRedNek
Last post: 07/26/2025 10:59 PM
by Brave Sir Robin
 14 304
07/20/2025 9:34 AM A Foldable Microscope
by HiTekRedNek
Last post: 07/22/2025 7:57 AM
by HiTekRedNek
 4 324
05/30/2025 8:46 AM The Most Important Part of an Electric Motor
by HiTekRedNek
Last post: 07/21/2025 1:57 PM
by Pulpmillguy
 10 494
07/03/2025 7:15 PM Table Top Fusion
by HiTekRedNek
Last post: 07/21/2025 6:50 AM
by HiTekRedNek
 5 239
07/20/2025 5:28 AM Speed Calculator
by dornrobin
Last post: 07/20/2025 11:58 AM
by dornrobin
 4 89
06/29/2025 10:41 AM Fractal Capacitors to Reduce Voltage
by HiTekRedNek
Last post: 07/18/2025 10:07 AM
by redfred
 19 302
07/05/2025 7:45 AM Binaural Beats
by HiTekRedNek
Last post: 07/14/2025 7:35 AM
by HiTekRedNek
 9 244
07/10/2025 9:22 AM Do Not Call List Does Not Work
by HiTekRedNek
Last post: 07/11/2025 12:42 PM
by phoenix911
 12 107
07/03/2025 7:07 PM X Rays from Scotch Tape
by HiTekRedNek
Last post: 07/08/2025 10:48 AM
by HiTekRedNek
 14 232
06/26/2025 10:56 AM I Can't See You
by HiTekRedNek
Last post: 07/07/2025 2:25 PM
by Rixter
 5 238
07/02/2025 8:43 AM RF from Tornadoes
by HiTekRedNek
Last post: 07/03/2025 5:03 PM
by Stef
 16 190
05/09/2025 5:26 AM Memorabilia
by electronick
Last post: 07/03/2025 3:49 PM
by HiTekRedNek
 20 346
06/16/2012 9:00 AM Crushing Seaweed to Dust
by marcopolo
Last post: 07/01/2025 11:59 PM
by phoenix911
 30 533
06/15/2025 2:24 PM Irrigation Pump - Accessible to Mobility Impaired
by Doorman
Last post: 07/01/2025 1:29 PM
by WJMFIRE
 34 307
06/24/2025 9:14 AM Calculate BTU of a Burner Based on Hole Size and Standard Pressure (11"WC)
by HiTekRedNek
Last post: 06/27/2025 10:49 AM
by Troy36
 15 281
06/22/2025 4:39 PM Gnat Brain
by HiTekRedNek
Last post: 06/25/2025 12:31 PM
by Doorman
 11 200
06/20/2025 6:02 AM Modulated Low Frequency Sound
by HiTekRedNek
Last post: 06/23/2025 9:41 AM
by Haymaker
 6 143
03/19/2024 10:14 AM Why Use Copper Coated Steel Wire in a Motor?
by HiTekRedNek
Last post: 06/22/2025 8:37 PM
by HiTekRedNek
 22 464
06/11/2025 5:34 PM Gravitational Time Dilation -- A Simple Explanation
by Rixter
Last post: 06/22/2025 7:20 PM
by Rixter
 6 198
06/21/2025 8:14 AM Copper Coated Steel Wire in Motor
by HiTekRedNek
Last post: 06/22/2025 6:51 PM
by Rixter
 9 187
05/31/2025 7:33 AM The Many Worlds of Quantum Mechanics
by HiTekRedNek
Last post: 06/22/2025 5:56 PM
by Economist
 9 279
06/01/2025 10:20 AM Infrared Contact Lens
by HiTekRedNek
Last post: 06/20/2025 4:52 AM
by HiTekRedNek
 12 224
06/20/2019 6:39 AM Using the Wrong Tool for the Job
by Randall
Last post: 06/18/2025 7:13 AM
by HiTekRedNek
 166 1759
04/05/2025 6:07 PM Safer, Simpler Solar Cooker/Solar Drier?
by gaiatechnician
Last post: 06/17/2025 1:16 AM
by gaiatechnician
 24 487
01/19/2013 1:28 AM RO (Reverse Osmosis)
by yesyen
Last post: 06/12/2025 1:59 AM
by yesyen
 16 427
10/08/2010 1:10 PM Light Storage
by Dub
Last post: 06/02/2025 6:21 AM
by HiTekRedNek
 14 328
04/16/2025 12:09 PM Geothermal or Fusion
by SolarEagle
Last post: 05/30/2025 10:37 AM
by SolarEagle
 59 724
09/21/2018 4:19 PM Roll Up Warehouse Door Woes
by lyn
Last post: 05/30/2025 8:38 AM
by HiTekRedNek
 36 688
05/09/2025 4:12 PM AI-Controlled Fighter Jets
by HiTekRedNek
Last post: 05/23/2025 8:09 AM
by HiTekRedNek
 17 460
09/27/2018 1:15 PM An Electromagnet "Literally Blew the Doors Off" a Japanese Lab
by Hannes
Last post: 05/21/2025 10:21 PM
by phoenix911
 23 656
10/01/2018 12:24 AM Re-Pasteurize Milk
by SolarEagle
Last post: 05/21/2025 10:17 PM
by phoenix911
 67 700
04/03/2025 5:08 PM Space/Time Travel
by NSS
Last post: 05/14/2025 6:27 PM
by HiTekRedNek
 46 593
12/03/2009 1:45 AM remove myself from cr4
by elizo
Last post: 05/14/2025 2:44 PM
by sb
 6 248
05/01/2025 12:08 PM Disappearing Sock
by HiTekRedNek
Last post: 05/12/2025 7:57 AM
by HiTekRedNek
 17 327
02/17/2020 1:36 PM People Are Jailbreaking Used Teslas to Get the Features They Expect
by wrenchtwirler
Last post: 05/10/2025 5:59 AM
by phoenix911
 101 833
04/28/2025 5:38 PM A Color Never Seen Before
by Rixter
Last post: 05/02/2025 2:34 PM
by Rixter
 12 263
05/26/2024 10:19 AM Black Paint Makes White Paint Whiter
by HiTekRedNek
Last post: 04/30/2025 10:28 AM
by HiTekRedNek
 30 767
07/25/2015 10:02 AM WD 40 / Original or Specialist ?
by tonyhemet
Last post: 04/29/2025 6:03 AM
by PWSlack
 72 2878
05/06/2011 6:11 AM Surface Area of a 5D bend
by Lost in maths
Last post: 04/29/2025 4:19 AM
by PWSlack
 11 856
04/16/2025 7:57 AM Why Didn't Anyone Tell Me this About Epoxy?
by Randall
Last post: 04/28/2025 1:44 PM
by not so smart
 11 358
06/11/2010 9:24 AM How to Claim Insurance on a Sponge Iron Damaged by Rain Water
by Anonymous Poster
Last post: 04/28/2025 6:18 AM
by PWSlack
 19 699
06/22/2023 9:33 AM Tesla extends reign at top of American-Made Index
by Trees4Life
Last post: 04/24/2025 11:40 AM
by phoenix911
 3 161
09/15/2008 3:06 PM Whole House Water Filter
by ProcessEngr
Last post: 04/23/2025 7:15 AM
by PWSlack
 11 288
04/05/2025 9:59 AM What is the Name of this Math Operation?
by HiTekRedNek
Last post: 04/19/2025 7:42 AM
by Jorrie
 27 482
04/22/2009 1:59 AM Energy in Matchstick
by kvsubramanyam
Last post: 04/16/2025 6:31 AM
by PWSlack
 16 1115
04/14/2025 11:24 AM Accountants Sank the Titanic
by HiTekRedNek
Last post: 04/15/2025 11:26 AM
by Doorman
 18 277
04/10/2025 8:04 AM Toroidal Propellers on Wind Turbines?
by HiTekRedNek
Last post: 04/14/2025 1:01 PM
by Rixter
 14 428
03/01/2025 12:38 PM Geothermal Could Become Cost Competitive With This Technology
by SolarEagle
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04/05/2025 9:13 AM Effect of Ice on an Explosion
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03/07/2021 9:33 AM How Stupid is this Respect My COVID Space Idea?
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04/01/2010 8:55 AM mth
by Anonymous Poster
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11/19/2019 3:32 PM Tiny Positive Displacement Pump
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02/17/2008 6:47 PM Salty Vs. Fresh Water
by aussiviking
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04/03/2025 7:20 AM Travel Router
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11/04/2017 9:04 AM Material for Pipe Milk Dairy - Milk Transferring to Silo/Packing Machine
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03/26/2012 2:55 PM Is It Safe to Drink Water Boiled In a Microwave?
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03/17/2025 10:22 AM Mysterious: Magic Circle
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01/28/2009 5:09 PM GMT and International Date Line
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