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06/02/2010 2:00 PM Barber Chair Hydraulics Restoration - Antique 1920s Emil J. Paidar by MichaelChgo ; posted in Mechanical Engineering	Last post: 07/30/2026 1:49 AM by bee song	36	10333
05/21/2014 10:42 AM * CFD - Fluid Mechanics BLOG * by sam_1982 ; posted in Mechanical Engineering	Last post: 07/30/2026 1:43 AM by bee song	4	380
08/24/2010 1:48 AM Coalescer/Separator by inspectorjoe ; posted in Mechanical Engineering	Last post: 07/30/2026 1:41 AM by bee song	5	127
04/03/2012 11:48 PM Pressure Vessel Fabrication Procedure by cxcxcx0505 ; posted in Mechanical Engineering	Last post: 07/29/2026 6:26 AM by bee song	36	1306
04/22/2026 8:33 AM Plate Heat Exchanger Gasket Failure Issues & Best Replacement Solutions in India? by srjofficial ; posted in Mechanical Engineering	Last post: 07/29/2026 6:22 AM by bee song	6	145
04/30/2026 5:17 AM Online Leak Sealing by somen1981 ; posted in Mechanical Engineering	Last post: 07/29/2026 6:18 AM by bee song	2	162
07/29/2026 6:12 AM How Do Manufacturers Improve Durability of Automotive Suspension Bushings? by Anonymous Poster ; posted in Transportation	Last post: 07/29/2026 6:12 AM by Anonymous Poster	0	17
07/28/2026 10:42 PM HPHT Diamond Synthesis from Biological Carbon — What We Learned Recovering Gem-grade Diamond from Hair Keratin by gustguo ; posted in Manufacturing	Last post: 07/28/2026 10:42 PM by gustguo	0	39
07/22/2026 6:51 AM Is Stainless Steel Really Worth the Extra Cost Over Carbon Steel? by Divyesh Goria ; posted in Manufacturing	Last post: 07/28/2026 3:44 PM by Rixter	3	71
05/11/2026 5:28 AM A Simple Tolerance Change That Can Significantly Reduce Manufacturing Cost by emmagreen ; posted in Mechanical Engineering	Last post: 07/26/2026 12:40 AM by Mfmatusky	3	224
09/19/2006 2:08 PM What odds and wager would make betting your own life acceptable? by STL Engineer ; posted in General Discussion	Last post: 07/22/2026 8:55 AM by Darville40	30	384
07/07/2025 5:41 PM Warning for Flood Prone Areas by HiTekRedNek ; posted in General Discussion	Last post: 07/21/2026 4:27 AM by Nigh	66	659
09/17/2008 2:51 AM HTRI heat exchnger by Mitul ; posted in Mechanical Engineering	Last post: 07/18/2026 5:11 AM by exerland	4	149
07/17/2026 5:55 AM How Much Structural Headroom Should Colocation Data Centers Allow for AI? by gbcengineers ; posted in General Discussion	Last post: 07/17/2026 5:55 AM by gbcengineers	0	52
06/23/2026 3:04 AM What is the Biggest Cause of Porosity in Aluminum Die Casting? by Judith ; posted in Manufacturing	Last post: 07/16/2026 1:00 AM by irtubes	1	90
07/15/2026 11:23 AM Piping Max Design Temperature Based on Ambient Conditions by Screedie ; posted in General Discussion	Last post: 07/15/2026 11:23 AM by Screedie	0	99
07/13/2026 10:27 PM Paradigm Shift on Substation Protection by Rockraiden21 ; posted in Electrical Engineering	Last post: 07/15/2026 7:24 AM by gideon	1	102
05/24/2010 2:56 AM Pressure Vessel - ASME Section VIII by Nayek ; posted in Mechanical Engineering	Last post: 07/15/2026 6:41 AM by Aruna Weblogicks	5	606
09/09/2010 12:30 AM Concrete Mix Design Reducing Water Absorbtion by Anonymous Poster ; posted in Civil Engineering	Last post: 07/15/2026 4:50 AM by Liao Martin	3	208
05/06/2026 3:20 AM What Is the Best Way to Convert EML to PST File? by Jyoti06 ; posted in Software & Programming	Last post: 07/15/2026 3:55 AM by harberjenny	7	113
07/14/2026 5:58 AM How Does a Shrink Wrapping Machine Improve Packaging Efficiency? by AmarPack Machines Pvt Ltd ; posted in Manufacturing	Last post: 07/14/2026 5:58 AM by AmarPack Machines Pvt Ltd	0	12
03/04/2017 12:23 AM Introducing the World’s First Game for a Quantum Computer by Andrew Westman ; posted in New Technologies & Research	Last post: 07/13/2026 4:30 AM by rembertza	16	470
08/27/2015 2:26 AM Twin Disc EC200 by Abeniko ; posted in General Discussion	Last post: 07/10/2026 2:05 PM by Doorman	27	1688
10/20/2016 8:27 AM More Evidence For Planet 9 by Bayes ; posted in General Discussion	Last post: 07/10/2026 12:09 AM by Gavilan	79	1192
01/28/2026 9:28 AM Which One is the Most Efficient? by Trees4Life ; posted in General Discussion	Last post: 07/09/2026 11:41 PM by Gavilan	52	824
07/08/2026 7:32 AM Why is Titanium Added to 321 Stainless Steel Bar? by Ankit Solanki ; posted in Manufacturing	Last post: 07/08/2026 7:32 AM by Ankit Solanki	0	15
07/08/2026 12:24 AM What Usually Makes a PUE Below 1.2 Difficult to Achieve? by gbcengineers ; posted in General Discussion	Last post: 07/08/2026 12:24 AM by gbcengineers	0	32
01/24/2025 10:22 PM Binary Bio-Weapons by Gavilan ; posted in General Discussion	Last post: 07/07/2026 1:47 AM by Gavilan	15	603
03/11/2026 10:00 PM Electrically Powered Aerodynamic Flight in an Enclosed Guide-Way – The Affordable Alternative to Electro-magnetic Lift and Propulsion by Gavilan ; posted in Transportation	Last post: 07/06/2026 11:36 PM by Gavilan	24	1139
04/17/2011 11:11 AM Improving Earthing by mir imran altaf ; posted in Electrical Engineering	Last post: 07/06/2026 5:37 AM by jabir moulvi	13	451
07/03/2026 11:05 PM Equivalent Stress in Structure During Resonance? by Reino Eskelinen ; posted in Aerospace	Last post: 07/03/2026 11:05 PM by Reino Eskelinen	0	70
06/11/2026 9:47 AM More on AI by Lehman57 ; posted in General Discussion	Last post: 07/01/2026 11:46 AM by duikerbok	9	270
07/01/2026 7:32 AM API 579 Part 4 GML Assessment - Level 1 vs Level 2: When to Move Up by ShantanuANZ ; posted in General Discussion	Last post: 07/01/2026 7:32 AM by ShantanuANZ	0	25
07/01/2026 1:48 AM Important Things About 440A Round Bars Stainless Steel in the Real World by kailashmittal ; posted in General Discussion	Last post: 07/01/2026 1:48 AM by kailashmittal	0	36
06/29/2026 7:06 AM HV Switchgear - Internal Earth Bar by Anonymous Poster ; posted in Electrical Engineering	Last post: 06/30/2026 4:41 PM by rwilliams	3	58
06/19/2026 6:51 AM Joining this Professional Forum by yifan ; posted in General Discussion	Last post: 06/30/2026 10:20 AM by gideon	2	67
10/10/2007 8:51 AM Searl Effect Generator by Anonymous Poster ; posted in Electrical Engineering	Last post: 06/29/2026 5:32 AM by Niveditasharma	442	3564
04/29/2026 8:54 PM The Crystals that Wiped Out a Medication by Rixter ; posted in General Discussion	Last post: 06/28/2026 8:10 AM by Haymaker	6	425
06/05/2012 2:35 AM Electrical Conduction of Grease at Low Temperatures by Anonymous Poster ; posted in Electrical Engineering	Last post: 06/28/2026 7:53 AM by CHRIS_K	7	255
06/23/2026 9:44 AM Converting Active Pulse Output to Passive by REH ; posted in Electrical Engineering	Last post: 06/27/2026 3:34 PM by Rixter	12	138
06/27/2026 3:20 AM HIC and SOHIC in Sour Service - API 579 Part 7 Assessment Approach - Case Study Discussion by ShantanuANZ ; posted in Chemical & Material Science	Last post: 06/27/2026 3:20 AM by ShantanuANZ	0	10
06/24/2026 4:24 PM How BIM Coordination Services Are Reducing Rework and Improving Project Delivery by trinityprojects ; posted in General Discussion	Last post: 06/24/2026 4:24 PM by trinityprojects	0	25
06/22/2026 7:16 AM Software Required for SLC 5/03 Allen Bradley PLC by DE ENG ; posted in Electrical Engineering	Last post: 06/23/2026 3:03 AM by rwilliams	1	28
06/23/2026 12:26 AM ASME SA387 Grade 12 Plate for Elevated-Temperature Pressure Equipment Thread Body: In Several Pressure Vessel and Heat Exchanger Projects, Selecting Materials that can Maintain Strength and Resist by kailashmittal ; posted in General Discussion	Last post: 06/23/2026 12:26 AM by kailashmittal	0	81
03/08/2026 6:06 AM AI/Copilot Interference with Search Questions by Just an Engineer ; posted in General Discussion	Last post: 06/22/2026 2:18 PM by Lehman57	11	436
04/05/2026 6:21 AM Pressed for Food by HiTekRedNek ; posted in General Discussion	Last post: 06/22/2026 8:24 AM by fzitta	21	349
06/17/2026 2:52 PM At What Stage Are Most Product Reliability Problems Introduced? by Ahmad Faraz ; posted in General Discussion	Last post: 06/19/2026 7:41 AM by Ahmad Faraz	4	65
01/23/2026 12:47 PM Power Outage is Expected, Hooking up a Generator by Labyguy ; posted in Electrical Engineering	Last post: 06/19/2026 5:52 AM by evanmjones	14	256
05/07/2026 7:06 AM Stuck PVC Valve by HiTekRedNek ; posted in General Discussion	Last post: 06/18/2026 11:27 PM by steve45	15	388
03/23/2026 4:01 AM What Really Defines a “Good” Resistor in Precision Current Sensing Applications? by Resi ; posted in General Discussion	Last post: 06/17/2026 4:25 PM by Stef	4	197

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