All Forum Threads

Page 8 of 1794: « First < Prev 6 7 8 9 10 Next > Last »

Forum Threads

Sort
Sort Threads   Create Date / Rating Title / Poster / Forum Last Post Comments Views
07/02/2025 6:11 AM Bendablity of Metals
by electronick ; posted in Mechanical Engineering
Last post: 07/24/2025 3:14 AM
by cathyleenerts
 18 384
07/20/2025 9:34 AM A Foldable Microscope
by HiTekRedNek ; posted in General Discussion
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 ; posted in General Discussion
Last post: 07/21/2025 1:57 PM
by Pulpmillguy
 10 494
07/03/2025 7:15 PM Table Top Fusion
by HiTekRedNek ; posted in General Discussion
Last post: 07/21/2025 6:50 AM
by HiTekRedNek
 5 239
07/20/2025 5:28 AM Speed Calculator
by dornrobin ; posted in General Discussion
Last post: 07/20/2025 11:58 AM
by dornrobin
 4 89
02/27/2009 6:45 PM Transmission Line Field Calculator
by pwr2thepeople ; posted in Electrical Engineering
Last post: 07/19/2025 7:07 AM
by dornrobin
 9 683
11/25/2015 2:25 PM Braking Calculation for Go-Kart
by himankambashta ; posted in Engineering Projects
Last post: 07/18/2025 10:55 PM
by dornrobin
 30 5571
06/29/2025 10:41 AM Fractal Capacitors to Reduce Voltage
by HiTekRedNek ; posted in General Discussion
Last post: 07/18/2025 10:07 AM
by redfred
 19 301
01/23/2007 2:31 AM Soldering tiny wires of Pt/Ir
by Camillo ; posted in Mechanical Engineering
Last post: 07/17/2025 11:33 PM
by LSmith
 12 1196
04/14/2023 2:01 PM Chatting Time with GPT - Post your own quotes
by Yuval ; posted in New Technologies & Research
Last post: 07/16/2025 11:42 PM
by Yuval
 20 1317
07/05/2025 7:45 AM Binaural Beats
by HiTekRedNek ; posted in General Discussion
Last post: 07/14/2025 7:35 AM
by HiTekRedNek
 9 244
01/14/2018 1:04 PM SEXTANT, a "GPS System" for Deep Space
by Rixter ; posted in Aerospace
Last post: 07/13/2025 8:35 AM
by HiTekRedNek
 11 621
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
07/10/2025 9:22 AM Do Not Call List Does Not Work
by HiTekRedNek ; posted in General Discussion
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 ; posted in General Discussion
Last post: 07/08/2025 10:48 AM
by HiTekRedNek
 14 232
09/25/2007 10:04 AM Exchange server
by Sushil Kumar ; posted in Software & Programming
Last post: 07/08/2025 3:05 AM
by user-deleted-945
 11 294
03/23/2015 9:22 AM Lost Data Recovery
by MikeMack747 ; posted in Software & Programming
Last post: 07/08/2025 3:04 AM
by user-deleted-945
 26 704
06/26/2025 10:56 AM I Can't See You
by HiTekRedNek ; posted in General Discussion
Last post: 07/07/2025 2:25 PM
by Rixter
 5 238
06/04/2025 1:56 AM Confirmed Shut Down Signal - Motor Starter
by Selk ; posted in Electrical Engineering
Last post: 07/04/2025 10:45 AM
by phoenix911
 15 571
07/02/2025 8:43 AM RF from Tornadoes
by HiTekRedNek ; posted in General Discussion
Last post: 07/03/2025 5:03 PM
by Stef
 16 190
05/09/2025 5:26 AM Memorabilia
by electronick ; posted in General Discussion
Last post: 07/03/2025 3:49 PM
by HiTekRedNek
 20 346
06/16/2012 9:00 AM Crushing Seaweed to Dust
by marcopolo ; posted in General Discussion
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 ; posted in General Discussion
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 ; posted in General Discussion
Last post: 06/27/2025 10:49 AM
by Troy36
 15 281
06/22/2025 4:39 PM Gnat Brain
by HiTekRedNek ; posted in General Discussion
Last post: 06/25/2025 12:31 PM
by Doorman
 11 200
10/05/2013 7:49 PM Magnetic vs Electrical Propagation Speed
by Anonymous Poster ; posted in Electrical Engineering
Last post: 06/25/2025 11:29 AM
by HiTekRedNek
 89 1079
06/20/2025 6:02 AM Modulated Low Frequency Sound
by HiTekRedNek ; posted in General Discussion
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 ; posted in General Discussion
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 ; posted in General Discussion
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 ; posted in General Discussion
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 ; posted in General Discussion
Last post: 06/22/2025 5:56 PM
by Economist
 9 279
07/06/2020 6:19 AM Alternative to R123 Refrigerant in Chillers
by ali_shujah ; posted in Mechanical Engineering
Last post: 06/22/2025 3:59 PM
by Economist
 5 647
05/25/2025 10:33 PM Impact Resistant Solar PV Panels
by Ron Nombri ; posted in Sustainable Engineering
Last post: 06/20/2025 5:31 AM
by HiTekRedNek
 12 648
06/01/2025 10:20 AM Infrared Contact Lens
by HiTekRedNek ; posted in General Discussion
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 ; posted in General Discussion
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 ; posted in General Discussion
Last post: 06/17/2025 1:16 AM
by gaiatechnician
 24 487
01/19/2013 1:28 AM RO (Reverse Osmosis)
by yesyen ; posted in General Discussion
Last post: 06/12/2025 1:59 AM
by yesyen
 16 427
06/03/2025 8:17 AM Tesla Coil Primary Resonance
by Manfred2 ; posted in Electrical Engineering
Last post: 06/06/2025 11:45 AM
by Manfred2
 8 570
10/08/2010 1:10 PM Light Storage
by Dub ; posted in General Discussion
Last post: 06/02/2025 6:21 AM
by HiTekRedNek
 14 328
04/16/2025 12:09 PM Geothermal or Fusion
by SolarEagle ; posted in General Discussion
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 ; posted in General Discussion
Last post: 05/30/2025 8:38 AM
by HiTekRedNek
 36 688
05/12/2015 4:23 AM Harmonic Filter Bank Capacitor Terminals Overvoltage
by amitabha0107 ; posted in Electrical Engineering
Last post: 05/28/2025 3:12 AM
by V.Ambarani.
 6 586
05/22/2025 11:40 AM Alpha Beta Gamma Geiger Muller Tube and its Calibration
by Shyam ; posted in Instrumentation
Last post: 05/26/2025 12:21 PM
by Rixter
 5 741
05/24/2025 12:30 AM Gas Groups - Hazardous Area Equipment
by Anonymous Poster ; posted in Electrical Engineering
Last post: 05/25/2025 1:06 PM
by HiTekRedNek
 6 153
05/20/2025 10:04 AM ABB & Siemens - MV Switchgear or HV Switchgear
by Anonymous Poster ; posted in Electrical Engineering
Last post: 05/23/2025 8:16 AM
by HiTekRedNek
 2 170
05/09/2025 4:12 PM AI-Controlled Fighter Jets
by HiTekRedNek ; posted in General Discussion
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 ; posted in General Discussion
Last post: 05/21/2025 10:21 PM
by phoenix911
 23 655
10/01/2018 12:24 AM Re-Pasteurize Milk
by SolarEagle ; posted in General Discussion
Last post: 05/21/2025 10:17 PM
by phoenix911
 67 699
05/14/2025 10:39 AM Cummins K50 Diesel Engine Generator
by Anonymous Poster ; posted in Electrical Engineering
Last post: 05/16/2025 4:39 AM
by The Wizard
 2 208
04/03/2025 5:08 PM Space/Time Travel
by NSS ; posted in General Discussion
Last post: 05/14/2025 6:27 PM
by HiTekRedNek
 46 593
Page 8 of 1794: « First < Prev 6 7 8 9 10 Next > Last »

Display Options
Showing threads 351 to 400 of 89694
Sorted By Sorted By Sort Order Sort Order
From The From The
Post Type Post Type
Tags (comma-delimited) (comma-delimited)
Show Threads

Advertisement

Got Something to Say?
Ask a Question
Start a Discussion

CR4 Sections
Aerospace
BioMech & BioMed
Chemical & Material Science
Civil Engineering
Communications & Electronics
Education and Engineering Careers
Electrical Engineering
General Discussion
Instrumentation
Manufacturing
Mechanical Engineering
New Technologies & Research
Software & Programming
Sustainable Engineering
Transportation

Site Directories
Forum Directory
Blog Directory
User Group Directory
RSS Feeds

CR4 Rules of Conduct
CR4 FAQ
Site Glossary

Who's Online (60 right now)
Show Members
Advertisement