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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
02/14/2009 4:59 PM Aquaponics = Aquaculture + Hydroponics. How close to practicality is it ? by nofineprint	Last post: 09/17/2026 7:01 AM by Water Quality Guide	9	438
03/04/2017 12:23 AM Introducing the World’s First Game for a Quantum Computer by Andrew Westman	Last post: 07/13/2026 4:30 AM by rembertza	16	670
11/15/2017 10:18 AM Butterfly Wing and Thin Film Solar Cell by James Stewart	Last post: 05/30/2026 9:31 PM by Haymaker	15	494
08/17/2017 10:55 AM Dog-Walking Drone by BestInShow	Last post: 12/23/2025 6:19 AM by ethanbrooks	52	1486
10/17/2025 11:00 PM Current Status of Practical Quantum Computers by Murray Wight	Last post: 11/17/2025 11:49 AM by Haymaker	11	475
06/19/2011 4:34 AM What are Biopost Fertilizers? by peaceandlove	Last post: 07/24/2025 10:48 AM by phoenix911	8	1200
04/14/2023 2:01 PM Chatting Time with GPT - Post your own quotes by Yuval	Last post: 07/16/2025 11:42 PM by Yuval	20	1325
08/20/2023 2:50 AM Underground Piping System Inspection by Conan21	Last post: 04/27/2025 5:34 PM by SolarEagle	11	2802
09/03/2019 11:16 AM A Breathalyzer for Marijuana by BestInShow	Last post: 03/21/2025 10:18 PM by phoenix911	34	1262
01/16/2008 2:42 PM Internal Coating for Sulfuric Acid Storage Tank! by adolive	Last post: 01/07/2025 7:14 AM by PWSlack	16	2392
01/20/2008 6:18 AM Microbial Fuel Problem by protecht.f.j@hotmail.com	Last post: 04/17/2024 7:29 AM by PWSlack	29	785
02/09/2010 7:21 PM Is Bromine (Br) Alone a RoHs Substance? by Piedras	Last post: 03/21/2024 9:24 AM by PWSlack	6	1471
09/05/2008 7:31 PM Temperature Difference to kW by buzneg	Last post: 02/21/2024 10:55 AM by PWSlack	40	1993
04/12/2022 5:04 AM Can you add a fuse? by kynix	Last post: 08/11/2023 8:50 AM by PWSlack	6	1305
10/24/2022 9:19 PM Density Lens by Haymaker	Last post: 10/27/2022 3:58 AM by SolarEagle	13	433
10/06/2022 1:26 PM EV and hybrid cars touch screen console costs $10K, why? by pareshtrivedi	Last post: 10/13/2022 2:49 AM by MNIce	14	314
01/21/2022 9:16 AM Humidifier sales by redfred	Last post: 01/25/2022 2:03 PM by Brave Sir Robin	4	158
12/14/2021 12:49 AM Why should enterprises opt for Cloud Native Applications? by marieweaver	Last post: 12/14/2021 1:50 AM by SolarEagle	1	68
04/30/2021 11:10 AM Digital Device for Shaft Fracture by Maheva Camille RATSITOARISOA	Last post: 06/21/2021 5:39 PM by SimpleMind	3	552
03/15/2021 5:20 AM Is UVC Light Effective for Bacteria and Virus? by Zayn	Last post: 03/15/2021 5:43 AM by PWSlack	1	97
02/09/2021 3:04 PM Possible Dark Matter Alternative by ci139	Last post: 02/13/2021 6:29 PM by Haymaker	3	529
12/19/2020 10:35 PM VR Headset to Replace Eyeglasses by Vulcan	Last post: 01/10/2021 4:34 PM by SolarEagle	59	960
11/18/2020 1:31 PM What Passive Mechanism is Used in Ergonomic Exoskeletons? by dkali1	Last post: 11/24/2020 4:15 AM by SolarEagle	33	1400
02/26/2016 3:40 AM Student Project by Rohit_1995 ; also posted in Engineering Projects	Last post: 11/17/2020 10:43 AM by DaveFoster	36	4361
10/20/2020 10:44 PM Electric Car Batteries by ronseto	Last post: 10/27/2020 3:53 PM by phoenix911	36	727
10/21/2020 7:37 PM "No Good Guesses" for Gamma Notch by thewildotter	Last post: 10/23/2020 10:42 AM by Rixter	9	551
09/06/2020 3:56 PM No Load Consumption of Electric Car by Dipa1234	Last post: 10/22/2020 12:56 PM by HiTekRedNek	8	298
10/06/2020 12:25 PM Quantum Entanglement on Large Objects by StandardsGuy	Last post: 10/22/2020 7:08 AM by HiTekRedNek	4	178
10/10/2020 1:54 AM SA 516 70 by of3570kl	Last post: 10/21/2020 4:24 AM by PWSlack	2	182
11/29/2008 5:02 PM mechanism metale hydride hydrogen storage by Anonymous Poster	Last post: 09/20/2020 8:01 AM by tonyhemet	2	284
10/07/2015 4:00 AM Heating of DRI (Direct Reduced Iron)/Sponge Iron Using Microwaves by Anonymous Poster	Last post: 08/30/2020 1:04 PM by sauravjain	5	424
07/20/2020 9:30 AM Advice on Extensive Blockchain Guides? by KaylaO	Last post: 08/09/2020 10:38 AM by StarCat	1	173
09/27/2012 10:31 PM Largest Engines Will be Running on Natural Gas by ronwagn	Last post: 07/24/2020 1:15 AM by truth is not a compromise	23	473
05/19/2020 9:15 PM Which Location You Think Will Produce Mass Sludge Everyday? by Yvette Peng	Last post: 05/31/2020 11:53 PM by Yvette Peng	2	306
08/11/2012 3:22 AM 3 Phase Generator by Anonymous Poster	Last post: 05/23/2020 7:07 AM by susanie	6	421
03/18/2020 11:45 AM Nuclear Electric Resonance by Rixter	Last post: 05/23/2020 7:06 AM by susanie	4	1333
05/15/2009 1:27 PM Nano Coating to Penetrate Steel by jacdale	Last post: 05/23/2020 7:04 AM by susanie	8	256
03/22/2020 10:21 AM Wristband RFID Sensor to Prevent Touching Face by SimonB	Last post: 03/31/2020 3:34 AM by Haymaker	14	2314
08/14/2008 12:40 AM Nano-coating by kamanju	Last post: 03/01/2020 6:37 AM by ashwinitrivedi	16	553
02/05/2020 4:32 AM Bacteria Offer New Possibilities for Radiation Protection by PWSlack	Last post: 02/09/2020 8:52 PM by artsmith	11	305
06/14/2018 9:47 AM The Father of the Internet of Things? by BestInShow	Last post: 01/14/2020 1:51 AM by Anna Shaw	16	573
09/20/2017 8:10 AM What are the Top IoT Technologies? by Suhasj123	Last post: 01/14/2020 1:49 AM by Anna Shaw	6	243
10/09/2019 12:49 AM Icebreaker to Spend a Year in Arctic Ice by StandardsGuy	Last post: 01/03/2020 5:55 PM by StandardsGuy	11	580
12/17/2019 8:12 PM General Fusion Reactor by Rixter	Last post: 12/26/2019 8:37 PM by truth is not a compromise	9	441
12/18/2019 8:44 PM Another "Blue Energy" Development by Rixter	Last post: 12/19/2019 12:44 AM by SolarEagle	1	330
10/29/2019 5:12 AM Pulse Current Through 22 Gauge Copper Wire 10us to 100us Pulse 10Hz Repeat @25C by Shyam	Last post: 10/31/2019 1:46 PM by 67model	10	388
10/25/2019 1:19 PM Google Claims Breakthrough in Quantum Computing by StandardsGuy	Last post: 10/30/2019 4:35 PM by redfred	20	268
06/26/2012 12:19 AM One Stroke Engine by ragavan	Last post: 08/27/2019 7:40 AM by truth is not a compromise	42	1822
03/28/2019 8:22 AM How Accuracy Matters In Fuel Management System by sankipetroleum	Last post: 08/19/2019 9:18 AM by msbettyhunt	3	237
05/10/2013 11:19 PM 30% Increase in Fuel Economy for Large Ships by Howard Phillips	Last post: 07/08/2019 6:44 AM by smithsera	117	1362
05/14/2009 10:12 PM Combustion power of Hydrogen versus gasoline by W3ig	Last post: 07/04/2019 7:09 AM by sceptic	21	1583
03/15/2018 1:02 PM Velocity by BGeorge	Last post: 05/23/2019 7:54 PM by HiTekRedNek	22	406
06/20/2018 4:22 PM Camera Made From a Potato by BestInShow	Last post: 03/04/2019 4:24 AM by gaurangsharad	26	698
01/10/2011 8:59 PM CES Las Vegas 2011 - Active-i by Anonymous Poster	Last post: 02/27/2019 7:37 AM by JosephSager	3	198
12/05/2007 11:21 AM It is Time to Talk about Time by Shyam	Last post: 02/20/2019 4:59 PM by Ole_Ship	57	479
02/10/2018 10:55 PM Super Wood by ronseto	Last post: 01/27/2019 3:24 AM by HiTekRedNek	48	676
06/27/2015 2:43 AM High Pressure Vessel Design by mackulky	Last post: 12/26/2018 4:42 PM by mackulky	17	503
12/19/2018 6:55 PM How to Value and Market Design Innovations by Nothing is Impossible	Last post: 12/21/2018 5:40 PM by Stuart21	23	266
06/25/2018 7:26 AM Invention by Stuart21	Last post: 12/19/2018 7:59 PM by Stuart21	26	318
12/04/2018 6:59 PM Large Hadron Collider by lyn	Last post: 12/05/2018 9:22 PM by Rixter	6	358
09/08/2018 11:23 AM Climate Effects of Alternative Energy Farms by artsmith	Last post: 09/15/2018 3:18 PM by JWthetech	18	638
06/24/2011 2:35 AM Infrasonic Horns / Whistle Can Be Manufactured? by Devarajen Rajagopal	Last post: 08/03/2018 5:07 AM by HiTekRedNek	70	1104
06/14/2018 9:01 PM Proximity Sensors? by Anonymous Poster	Last post: 06/20/2018 6:53 PM by Doorman	33	398
06/04/2018 8:17 PM Natural Gas vs Coal by ronseto	Last post: 06/07/2018 12:32 PM by IdeaSmith	20	224
01/12/2018 10:47 AM Dark Energy Camera Data by redfred	Last post: 03/05/2018 1:45 PM by NotUrOrdinaryJoe	16	859
02/14/2018 3:21 PM Photo of Single Atom by BestInShow	Last post: 02/20/2018 12:00 PM by MR. Guest	19	491
02/02/2018 11:26 PM Cutting Tool by Bilal152	Last post: 02/05/2018 11:59 AM by Jpfalt	10	337
01/29/2018 10:42 AM Are We Revealing Too Much About Our Military With Fitness Trackers? by lyn	Last post: 02/01/2018 7:55 AM by not so smart	27	417
12/27/2017 7:59 AM Upcoming Technologies in 2018 by Suhasj123	Last post: 12/27/2017 9:31 PM by lyn	1	193
12/18/2017 8:22 AM UFO? by JE in Chicago	Last post: 12/19/2017 12:13 PM by artsmith	19	606
12/06/2017 11:45 AM Humanoid Robot Contest 2017 from Robohub by BestInShow	Last post: 12/07/2017 8:53 AM by James Stewart	4	322
11/26/2017 8:45 PM Metal or Polymer with Differing Properties by Gadepalli Subrahmanyam	Last post: 11/29/2017 9:40 AM by Jose1	18	362
11/22/2017 11:18 PM More (LED) Light Pollution, Not Less! by lyn	Last post: 11/28/2017 10:04 PM by SolarEagle	36	575
11/22/2017 7:35 PM Anti-matter, Black-holes, Sun's Energy, and Gravity Theory by Dennis R. Levesque	Last post: 11/26/2017 12:05 AM by Dennis R. Levesque	11	338
11/23/2017 6:01 AM Consultant by Anonymous Poster	Last post: 11/25/2017 12:45 PM by thewildotter	8	252
09/02/2016 11:02 AM Wireless Lie Detector by ronseto	Last post: 11/16/2017 6:35 AM by HuiVDingess	40	482
10/24/2017 8:40 AM Nanofluid Velocity Map by Erik Garofalo	Last post: 10/25/2017 8:49 PM by Rixter	4	289
04/29/2007 5:22 PM Minto Wheel Resurrected by svengali	Last post: 10/24/2017 12:06 AM by Loxd4	18	3065
10/16/2017 10:11 AM LIGO Detects a Kilonova Explosion by sue	Last post: 10/17/2017 9:04 AM by James Stewart	3	259
03/07/2017 3:12 PM Powerful Telescope In The Ocean by Heidi Etchey	Last post: 09/13/2017 4:58 PM by James Stewart	35	561
02/19/2013 2:01 PM And You Thought it was Mother Nature to Blame? by lyn	Last post: 09/13/2017 1:52 AM by Gab_OR_1_El	26	538
08/29/2017 8:46 PM Proposal For An Undersea Oil Drilling Rig by ronseto	Last post: 09/07/2017 3:25 AM by truth is not a compromise	46	577
08/07/2017 12:31 PM Breakthrough Device Heals Organs with a Single Touch by Rixter	Last post: 09/04/2017 9:34 AM by Codemaster	6	352
08/10/2017 8:29 AM Hacking Solar Power Grids: Plausible? by BestInShow	Last post: 08/17/2017 12:53 AM by RAMConsult	8	302
08/02/2017 1:37 PM Need Help Investigating a New Combustion Engine Technology by michaeldon	Last post: 08/09/2017 7:46 AM by JPOWERS	74	1422
08/04/2017 11:43 AM New Detector by redfred	Last post: 08/04/2017 3:32 PM by Anonymous Poster	2	348
08/01/2017 8:16 AM Majorana Fermion Discovered by BestInShow	Last post: 08/02/2017 12:01 AM by Mikerho	12	309
04/05/2016 11:11 AM PET-Plastic-Eating Bacteria by BestInShow	Last post: 07/24/2017 4:21 AM by Idonia	10	401
11/22/2016 10:23 AM Tiled Armour Science - Trispokedovetiles - Three-spoke Dovetailing Tiles by Peter Dow	Last post: 06/29/2017 6:33 PM by JohnDG	22	441
06/27/2017 9:46 PM From Floppy Disks to Data Centers: The White House Brings in Tech Titans to Reva by ColbyHochmuth	Last post: 06/28/2017 3:29 PM by phoenix911	13	268
09/13/2007 2:33 AM How to Design an Electronic Ignition Transformer with an Output around 20 kv? by omtech1	Last post: 06/28/2017 7:22 AM by kumarpradeep	11	981
03/23/2017 10:18 AM Self-Driving Cars by gskurdal4u	Last post: 06/28/2017 6:12 AM by MTJB-Engineering	51	655
06/26/2017 8:19 AM High-tech Ball for Fido by BestInShow	Last post: 06/27/2017 9:36 AM by Tom_Consulting	18	348
06/12/2017 12:43 PM CFD Analysis of The Boundary Layer Separation in Water Flow by gsuhas	Last post: 06/14/2017 3:23 AM by Codemaster	10	321
06/07/2017 12:08 PM Expert Advice Needed by qstone	Last post: 06/11/2017 9:04 AM by truth is not a compromise	67	863
06/08/2017 2:19 AM Sprockets Collaborated with Compound Gears Train by Anonymous Poster	Last post: 06/11/2017 12:16 AM by truth is not a compromise	30	453
06/07/2017 8:57 AM Walabot 3D Imaging Sensor by BestInShow	Last post: 06/09/2017 8:25 PM by Rixter	13	391
02/20/2014 12:32 PM Hi-Tech Cars of the Future (Present) by ronseto	Last post: 05/26/2017 5:56 AM by sceptic	57	553
05/15/2017 5:27 PM Terahertz Body Scanner: Does It Work? by sunbeam667	Last post: 05/19/2017 11:26 AM by Andrew Westman	34	484
05/11/2017 10:03 AM Hydrogen Isotope Separation Using Graphene at Lower Energy Cost by James Stewart	Last post: 05/11/2017 3:52 PM by James Stewart	3	256

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