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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
 15 391
08/17/2017 10:55 AM Dog-Walking Drone
by BestInShow
Last post: 12/23/2025 6:19 AM
by ethanbrooks
 52 1472
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
 11 466
06/19/2011 4:34 AM What are Biopost Fertilizers?
by peaceandlove
Last post: 07/24/2025 10:48 AM
by phoenix911
 8 1192
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 1317
08/20/2023 2:50 AM Underground Piping System Inspection
by Conan21
Last post: 04/27/2025 5:34 PM
by SolarEagle
 11 2788
09/03/2019 11:16 AM A Breathalyzer for Marijuana
by BestInShow
Last post: 03/21/2025 10:18 PM
by phoenix911
 34 1253
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 2386
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
 29 775
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 1469
09/05/2008 7:31 PM Temperature Difference to kW
by buzneg
Last post: 02/21/2024 10:55 AM
by PWSlack
 40 1977
04/12/2022 5:04 AM Can you add a fuse?
by kynix
Last post: 08/11/2023 8:50 AM
by PWSlack
 6 1297
10/24/2022 9:19 PM Density Lens
by Haymaker
Last post: 10/27/2022 3:58 AM
by SolarEagle
 13 428
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
 14 312
01/21/2022 9:16 AM Humidifier sales
by redfred
Last post: 01/25/2022 2:03 PM
by Brave Sir Robin
 4 147
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 59
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
 3 541
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 91
02/09/2021 3:04 PM Possible Dark Matter Alternative
by ci139
Last post: 02/13/2021 6:29 PM
by Haymaker
 3 524
12/19/2020 10:35 PM VR Headset to Replace Eyeglasses
by Vulcan
Last post: 01/10/2021 4:34 PM
by SolarEagle
 59 954
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 1388
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 4356
10/20/2020 10:44 PM Electric Car Batteries
by ronseto
Last post: 10/27/2020 3:53 PM
by phoenix911
 36 719
10/21/2020 7:37 PM "No Good Guesses" for Gamma Notch
by thewildotter
Last post: 10/23/2020 10:42 AM
by Rixter
 9 543
09/06/2020 3:56 PM No Load Consumption of Electric Car
by Dipa1234
Last post: 10/22/2020 12:56 PM
by HiTekRedNek
 8 288
10/06/2020 12:25 PM Quantum Entanglement on Large Objects
by StandardsGuy
Last post: 10/22/2020 7:08 AM
by HiTekRedNek
 4 165
10/10/2020 1:54 AM SA 516 70
by of3570kl
Last post: 10/21/2020 4:24 AM
by PWSlack
 2 174
11/29/2008 5:02 PM mechanism metale hydride hydrogen storage
by Anonymous Poster
Last post: 09/20/2020 8:01 AM
by tonyhemet
 2 281
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
 5 413
07/20/2020 9:30 AM Advice on Extensive Blockchain Guides?
by KaylaO
Last post: 08/09/2020 10:38 AM
by StarCat
 1 164
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
 23 461
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
 2 294
08/11/2012 3:22 AM 3 Phase Generator
by Anonymous Poster
Last post: 05/23/2020 7:07 AM
by susanie
 6 417
03/18/2020 11:45 AM Nuclear Electric Resonance
by Rixter
Last post: 05/23/2020 7:06 AM
by susanie
 4 1325
05/15/2009 1:27 PM Nano Coating to Penetrate Steel
by jacdale
Last post: 05/23/2020 7:04 AM
by susanie
 8 248
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 2301
08/14/2008 12:40 AM Nano-coating
by kamanju
Last post: 03/01/2020 6:37 AM
by ashwinitrivedi
 16 543
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
 11 297
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
 16 568
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
 6 235
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
 11 563
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
 9 436
12/18/2019 8:44 PM Another "Blue Energy" Development
by Rixter
Last post: 12/19/2019 12:44 AM
by SolarEagle
 1 324
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
 10 378
10/25/2019 1:19 PM Google Claims Breakthrough in Quantum Computing
by StandardsGuy
Last post: 10/30/2019 4:35 PM
by redfred
 20 253
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 1818
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
 3 224
03/04/2017 12:23 AM Introducing the World’s First Game for a Quantum Computer
by Andrew Westman
Last post: 07/09/2019 2:52 PM
by Jamie Willingham
 14 366
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 1349
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 1570
03/15/2018 1:02 PM Velocity
by BGeorge
Last post: 05/23/2019 7:54 PM
by HiTekRedNek
 22 399
06/20/2018 4:22 PM Camera Made From a Potato
by BestInShow
Last post: 03/04/2019 4:24 AM
by gaurangsharad
 26 688
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
 3 189
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
 57 470
02/10/2018 10:55 PM Super Wood
by ronseto
Last post: 01/27/2019 3:24 AM
by HiTekRedNek
 48 668
06/27/2015 2:43 AM High Pressure Vessel Design
by mackulky
Last post: 12/26/2018 4:42 PM
by mackulky
 17 496
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
 23 256
06/25/2018 7:26 AM Invention
by Stuart21
Last post: 12/19/2018 7:59 PM
by Stuart21
 26 309
12/04/2018 6:59 PM Large Hadron Collider
by lyn
Last post: 12/05/2018 9:22 PM
by Rixter
 6 350
09/08/2018 11:23 AM Climate Effects of Alternative Energy Farms
by artsmith
Last post: 09/15/2018 3:18 PM
by JWthetech
 18 633
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 1091
06/14/2018 9:01 PM Proximity Sensors?
by Anonymous Poster
Last post: 06/20/2018 6:53 PM
by Doorman
 33 391
06/04/2018 8:17 PM Natural Gas vs Coal
by ronseto
Last post: 06/07/2018 12:32 PM
by IdeaSmith
 20 217
01/12/2018 10:47 AM Dark Energy Camera Data
by redfred
Last post: 03/05/2018 1:45 PM
by NotUrOrdinaryJoe
 16 847
02/14/2018 3:21 PM Photo of Single Atom
by BestInShow
Last post: 02/20/2018 12:00 PM
by MR. Guest
 19 487
02/02/2018 11:26 PM Cutting Tool
by Bilal152
Last post: 02/05/2018 11:59 AM
by Jpfalt
 10 324
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
 27 410
12/27/2017 7:59 AM Upcoming Technologies in 2018
by Suhasj123
Last post: 12/27/2017 9:31 PM
by lyn
 1 181
12/18/2017 8:22 AM UFO?
by JE in Chicago
Last post: 12/19/2017 12:13 PM
by artsmith
 19 597
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
 4 310
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
 18 355
11/22/2017 11:18 PM More (LED) Light Pollution, Not Less!
by lyn
Last post: 11/28/2017 10:04 PM
by SolarEagle
 36 568
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
 11 335
11/23/2017 6:01 AM Consultant
by Anonymous Poster
Last post: 11/25/2017 12:45 PM
by thewildotter
 8 248
09/02/2016 11:02 AM Wireless Lie Detector
by ronseto
Last post: 11/16/2017 6:35 AM
by HuiVDingess
 40 478
10/24/2017 8:40 AM Nanofluid Velocity Map
by Erik Garofalo
Last post: 10/25/2017 8:49 PM
by Rixter
 4 276
04/29/2007 5:22 PM Minto Wheel Resurrected
by svengali
Last post: 10/24/2017 12:06 AM
by Loxd4
 18 3047
10/16/2017 10:11 AM LIGO Detects a Kilonova Explosion
by sue
Last post: 10/17/2017 9:04 AM
by James Stewart
 3 239
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
 35 553
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
 26 532
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
 46 568
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
 6 347
08/10/2017 8:29 AM Hacking Solar Power Grids: Plausible?
by BestInShow
Last post: 08/17/2017 12:53 AM
by RAMConsult
 8 297
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 1417
08/04/2017 11:43 AM New Detector
by redfred
Last post: 08/04/2017 3:32 PM
by Anonymous Poster
 2 342
08/01/2017 8:16 AM Majorana Fermion Discovered
by BestInShow
Last post: 08/02/2017 12:01 AM
by Mikerho
 12 305
04/05/2016 11:11 AM PET-Plastic-Eating Bacteria
by BestInShow
Last post: 07/24/2017 4:21 AM
by Idonia
 10 394
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
 22 433
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
 11 975
03/23/2017 10:18 AM Self-Driving Cars
by gskurdal4u
Last post: 06/28/2017 6:12 AM
by MTJB-Engineering
 51 650
06/26/2017 8:19 AM High-tech Ball for Fido
by BestInShow
Last post: 06/27/2017 9:36 AM
by Tom_Consulting
 18 344
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
 10 311
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
 67 849
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
 30 445
06/07/2017 8:57 AM Walabot 3D Imaging Sensor
by BestInShow
Last post: 06/09/2017 8:25 PM
by Rixter
 13 382
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
 57 544
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
 34 474
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
 3 249
04/21/2017 2:02 AM Does Anyone Knows Source for High Isolation XFR for Pirani Ion Vacuum Gauge?
by Shyam
Last post: 04/21/2017 10:32 PM
by Andrew Westman
 6 277
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