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01/03/2018 4:25 PM Books for Engineers
by BestInShow
Last post: 01/05/2018 10:02 PM
by Casper71
 13 692
12/12/2017 1:47 PM Battery Breakthrough Claim of the Week
by SolarEagle
Last post: 01/05/2018 3:18 PM
by James Stewart
 16 335
01/01/2018 8:05 AM What Are These Things On My Deck?
by wmerryall
Last post: 01/05/2018 11:48 AM
by Rixter
 24 740
12/30/2017 10:14 AM Caption This
by Tom_Consulting
Last post: 01/05/2018 8:57 AM
by James Stewart
 24 879
01/01/2018 11:40 AM 8K OLED TV Makes Debut
by SolarEagle
Last post: 01/05/2018 6:53 AM
by JPool
 21 331
12/19/2017 8:53 AM What Technological Innovation Will Have the Most Impact in the Next 50 Years?
by Bayes
Last post: 01/04/2018 12:16 PM
by phoenix911
 71 923
12/29/2017 11:56 AM Transparency
by tonyhemet
Last post: 01/03/2018 11:38 PM
by truth is not a compromise
 15 479
01/01/2018 2:08 PM How Is This Possible?
by lyn
Last post: 01/03/2018 2:57 PM
by tonyhemet
 43 931
12/29/2017 1:59 PM LED Lighting
by terrapin
Last post: 01/03/2018 4:32 AM
by truth is not a compromise
 17 202
12/28/2017 5:27 PM What Is It?
by SolarEagle
Last post: 01/02/2018 11:07 AM
by James Stewart
 8 811
12/24/2017 7:42 AM Micro Dots on Printed Documents
by HiTekRedNek
Last post: 01/01/2018 6:36 AM
by phph001
 49 815
12/22/2017 2:33 PM Sloshing Sound Under the Dashboard
by Autobroker
Last post: 12/30/2017 7:13 PM
by Autobroker
 17 1500
12/26/2017 7:02 PM ICOs, Blockchain, Crowd Machine. What's it Mean?
by SolarEagle
Last post: 12/30/2017 4:21 PM
by SolarEagle
 18 345
12/13/2017 11:29 AM Turning CO2 into Fuel via Sunlight
by SolarEagle
Last post: 12/30/2017 12:36 PM
by James Stewart
 27 711
12/19/2017 10:00 AM 14" Cleveland Lathe Value?
by Tommie
Last post: 12/28/2017 2:01 PM
by Bazzer Englander
 17 453
12/25/2017 10:55 PM Embroidery Hoop Holder
by Lehman57
Last post: 12/26/2017 11:17 PM
by dkwarner
 2 285
12/25/2017 5:11 AM Identify Knife
by HiTekRedNek
Last post: 12/26/2017 4:30 PM
by SolarEagle
 14 452
12/21/2017 3:10 PM Happy and Safe Holidays to the CR4 Community
by BestInShow
Last post: 12/23/2017 11:55 AM
by Phys
 15 348
12/20/2017 10:49 PM Why My Computer CPU Fan Sounds So Loud
by Anonymous Poster
Last post: 12/22/2017 9:47 AM
by Randall
 15 384
12/18/2017 3:14 PM Radio Telescopes Combine Data for First-ever Image of a Supermassive Black Hole
by Rixter
Last post: 12/22/2017 8:07 AM
by truth is not a compromise
 7 307
12/13/2017 11:43 AM Invisible Boat
by SolarEagle
Last post: 12/21/2017 2:37 PM
by phoenix911
 40 961
12/19/2017 9:18 PM Scanner Antenna 25-1300 mhz Full Band
by tonyhemet
Last post: 12/21/2017 12:54 AM
by tonyhemet
 6 327
12/18/2017 7:26 AM Survival-capsule.com
by tonyhemet
Last post: 12/20/2017 11:00 AM
by Jpfalt
 20 629
11/22/2017 6:39 PM Physicists Design $100 Handheld Cosmic Ray Muon Detector
by Rixter
Last post: 12/20/2017 8:00 AM
by Andy Germany
 7 284
12/17/2017 2:08 PM Sniper Rifles
by ronseto
Last post: 12/19/2017 6:51 PM
by tonyhemet
 49 603
12/18/2017 7:14 AM Name the Architecture or Where is this Building and Why is it Unique?
by tonyhemet
Last post: 12/19/2017 11:06 AM
by Jpfalt
 6 333
12/12/2017 9:30 AM Perfect Christmas Gift for a Physicist
by Bayes
Last post: 12/18/2017 8:57 PM
by dkwarner
 82 1071
12/12/2017 9:43 AM The Number 3
by gutmonarch
Last post: 12/18/2017 12:35 PM
by MR. Guest
 68 523
12/11/2017 2:50 PM Russian Billionaire Yuri Milner to Study Oumuamua for Radio Waves
by Bayes
Last post: 12/16/2017 1:00 PM
by phoenix911
 26 330
12/10/2017 3:25 PM Cool Robots
by SolarEagle
Last post: 12/15/2017 6:27 PM
by SolarEagle
 8 328
12/06/2017 9:32 PM This Isn't Going Away. Ignorance Is No Excuse.
by lyn
Last post: 12/14/2017 10:03 AM
by truth is not a compromise
 74 437
11/18/2017 7:47 AM Wind/Solar Combined
by EZStreet
Last post: 12/14/2017 9:44 AM
by James Stewart
 119 1122
12/11/2017 2:27 PM Spooky Texting
by SSCpal
Last post: 12/13/2017 2:22 PM
by phoenix911
 33 742
12/07/2017 3:43 PM Caption This: December 7, 2017
by James Stewart
Last post: 12/13/2017 10:07 AM
by James Stewart
 52 917
09/29/2017 11:07 PM Hey Buddy, Can You Spare a Little Sand? I've Got a Well to Frack
by lyn
Last post: 12/13/2017 8:54 AM
by adreasler
 89 861
12/12/2017 11:47 AM Valves Interchangeable
by sandrag
Last post: 12/13/2017 8:23 AM
by Kevin LaPaire
 8 234
12/10/2017 6:48 AM A New Fuel Cell Technology?
by ad016
Last post: 12/12/2017 5:34 AM
by duikerbok
 13 462
12/04/2017 10:32 PM Writing On Polyethylene Bottles
by ronseto
Last post: 12/11/2017 4:43 PM
by JE in Chicago
 62 1220
12/09/2017 1:20 AM Small Gasifier for Coal
by SolarEagle
Last post: 12/11/2017 4:42 PM
by James Stewart
 9 281
12/11/2017 12:49 AM Changing Third-Party Hosting Site in Old Threads?
by sptilton
Last post: 12/11/2017 9:25 AM
by JohnDG
 2 221
12/07/2017 12:49 PM How do I Unlock Laptop DVD Region?
by merlin-100
Last post: 12/08/2017 9:54 AM
by tonyhemet
 9 415
11/17/2017 2:54 AM The Amazing Tesla Semi Truck
by SolarEagle
Last post: 12/07/2017 12:25 PM
by James Stewart
 28 323
09/27/2017 8:20 AM Mystery Behind Glass Ampule
by r&ddoc
Last post: 12/06/2017 1:49 PM
by r&ddoc
 33 717
11/29/2017 1:11 PM Anyone Familiar With Water Jet Flossing for Gums and Teeth?
by Randall
Last post: 12/06/2017 10:44 AM
by James Stewart
 24 814
09/10/2017 11:49 AM Coincidence?
by Fredski
Last post: 12/05/2017 11:10 AM
by James Stewart
 65 617
02/17/2014 4:35 AM Global Warming Slows Volcanic Activity
by IdeaSmith
Last post: 12/05/2017 11:09 AM
by James Stewart
 22 357
10/14/2015 5:24 AM Interactive Sea Level Time Series
by IdeaSmith
Last post: 12/05/2017 3:53 AM
by IdeaSmith
 7 460
11/19/2017 4:17 PM Renewable Energy Hits Brick Wall in France and Germany
by SolarEagle
Last post: 12/04/2017 2:01 PM
by James Stewart
 35 443
11/25/2017 3:57 PM Language
by ronseto
Last post: 12/04/2017 10:45 AM
by dkwarner
 167 2062
07/18/2007 1:33 PM Removing Thinset From Concrete - Any Brilliant Ideas?
by Juanita
Last post: 11/29/2017 3:32 PM
by PHX12
 17 3839
06/13/2008 11:28 AM What's the Most Aerodynamic Shape?
by frankd20
Last post: 11/28/2017 7:40 PM
by Anonymous Poster
 138 13169
04/08/2010 5:17 PM Overmold Material Adhering to Cable
by Wildcat
Last post: 11/28/2017 5:35 PM
by johnpaul8686
 5 1229
10/26/2017 8:23 PM How to Find the Roll Center of a Vehicle with Infinite Instant Centers
by at570
Last post: 11/28/2017 4:17 AM
by at570
 49 1364
11/21/2017 1:55 AM Effect of Thickness on Auto Welding
by Anonymous Poster
Last post: 11/27/2017 4:59 PM
by Original_Macgyver
 37 481
11/15/2017 8:48 AM What Would Make my Element Do This? It's Only 3 Months Old
by Lindareed1977
Last post: 11/27/2017 3:30 PM
by adreasler
 28 937
09/18/2006 7:12 AM CRIMINAL
by masu
Last post: 11/27/2017 12:22 PM
by MR. Guest
 17 932
11/21/2017 10:59 AM A Material that Expands Under Pressure
by Bayes
Last post: 11/26/2017 3:20 PM
by thewildotter
 33 714
11/22/2017 7:52 AM Would it be Possible to Train Cetaceans to Help Look for "Lost" Equipment?
by Randall
Last post: 11/24/2017 5:43 AM
by Randall
 17 341
11/17/2017 4:41 PM Robotic Toys for Anyone
by BestInShow
Last post: 11/22/2017 10:09 PM
by Casper71
 5 350
11/15/2017 11:23 PM Speed of Light
by rravi12june81
Last post: 11/21/2017 3:12 PM
by adreasler
 34 1081
11/17/2017 5:29 AM Magnets and Expanding Universe
by EZStreet
Last post: 11/20/2017 4:47 PM
by James Stewart
 20 407
11/17/2017 3:37 PM A Microengineering Miracle
by Hannes
Last post: 11/20/2017 9:33 AM
by James Stewart
 5 296
11/17/2017 9:07 AM Differences Between Engineers and Scientists
by terrapin
Last post: 11/18/2017 11:45 AM
by SolarEagle
 12 400
11/15/2017 12:12 PM Anyone Familiar with OBD2 Pinouts (Auto) On Board Diagnostics?
by Randall
Last post: 11/18/2017 5:58 AM
by merc600sec
 32 614
11/16/2017 1:41 PM Is Nuclear Poised For a Comeback?
by SolarEagle
Last post: 11/17/2017 5:07 PM
by SolarEagle
 29 300
11/14/2017 9:32 PM 500 Mile Range, 1 Minute Charging Time, Add Salt
by SolarEagle
Last post: 11/16/2017 4:17 PM
by James Stewart
 21 402
11/07/2017 8:28 AM Is Artificial Intelligence About to Decimate White-Collar Work?
by Bayes
Last post: 11/16/2017 12:27 PM
by James Stewart
 77 729
12/17/2016 8:24 AM Blame Climate Change
by Fredski
Last post: 11/15/2017 3:41 PM
by phoenix911
 129 1490
09/18/2017 3:58 PM Brew Anything Good Lately?
by yamdankee
Last post: 11/15/2017 3:10 PM
by silvCrow
 21 386
11/12/2017 2:40 AM Air Pollution
by IQ
Last post: 11/15/2017 10:32 AM
by James Stewart
 28 334
11/13/2017 11:18 AM Homemade Irrigation
by Anonymous Poster
Last post: 11/15/2017 9:11 AM
by James Stewart
 28 651
11/12/2017 5:51 PM OK, This has got my Attention - an Electronic Telescope
by Rixter
Last post: 11/13/2017 9:07 PM
by Rixter
 9 386
11/05/2017 6:36 PM Top Eco Fluid Activation Device
by tonyhemet
Last post: 11/13/2017 3:50 PM
by Negawatt USA
 35 739
11/02/2017 6:56 PM Hoop Stress and Axial Stress
by Anonymous Poster
Last post: 11/09/2017 2:57 PM
by James Stewart
 10 746
11/07/2017 4:40 AM Wiring Winding Single Phase Motor
by Gregory Love
Last post: 11/09/2017 2:19 PM
by NotUrOrdinaryJoe
 20 473
10/30/2017 11:50 AM Google Glasses - What Went Wrong?
by Bayes
Last post: 11/07/2017 1:41 PM
by jack of all trades
 29 933
11/02/2017 10:05 AM Anyone Enjoy Euclidean Construction Puzzles?
by Randall
Last post: 11/07/2017 1:28 PM
by James Stewart
 24 316
10/24/2017 7:56 AM How to Get Constant Purchasing Power for a Fixed Income Retirement
by PAPADOC
Last post: 11/06/2017 12:26 PM
by MR. Guest
 31 756
11/03/2017 11:46 AM Need Air Mover Options for a Couple of Projects
by sugarandfat
Last post: 11/06/2017 10:03 AM
by James Stewart
 25 312
11/02/2017 4:27 PM How to Choose the University
by Grands
Last post: 11/06/2017 8:57 AM
by James Stewart
 24 276
11/03/2017 1:53 PM Precise Duty Cycle of PWM
by SSCpal
Last post: 11/05/2017 4:01 PM
by Rixter
 15 283
10/12/2017 8:17 AM What Is It?
by Fredski
Last post: 11/04/2017 7:31 AM
by EZStreet
 49 522
10/12/2017 12:04 PM Bypassing an EMI Filter on a Washing Machine?
by colinfloss
Last post: 11/04/2017 1:24 AM
by Autobroker
 24 1537
11/01/2017 2:34 PM Lithium Ion Car Battery
by Autobroker
Last post: 11/04/2017 1:03 AM
by Autobroker
 30 615
11/02/2017 3:23 PM The Inside Story of Texas Instruments’ TMS9900 Microprocessor
by Hannes
Last post: 11/03/2017 2:00 PM
by Codemaster
 11 421
11/01/2017 7:57 PM Drone Swarming Attack
by SolarEagle
Last post: 11/03/2017 11:19 AM
by Janissaries
 10 344
09/06/2017 11:24 AM Anyone Own This Bandsaw?
by Tonymech
Last post: 11/03/2017 10:58 AM
by James Stewart
 21 378
11/01/2017 12:06 PM Rethinking Current Degree Course
by Robotha
Last post: 11/02/2017 11:13 AM
by Dennis R. Levesque
 9 244
10/27/2017 6:49 AM Amazon Key ... Good Idea?
by Randall
Last post: 11/02/2017 9:10 AM
by James Stewart
 43 562
11/01/2017 7:42 PM How a $10 Microchip Turns 2-D Ultrasound Machines into 3-D Imaging Devices - Low
by Rixter
Last post: 11/01/2017 8:16 PM
by SolarEagle
 1 330
10/19/2017 9:15 AM Short High School Engineering Project Survey
by 18EDD.Project
Last post: 10/31/2017 10:37 AM
by James Stewart
 69 950
10/23/2017 4:55 PM No Spill Gas Cans - I've Never Spilled More Gasoline in my Life!
by Bayes
Last post: 10/30/2017 3:54 PM
by Bayes
 75 1191
10/27/2017 11:35 PM IHACI Trade show November 2nd Pasadena CA.
by tonyhemet
Last post: 10/30/2017 12:58 PM
by SolarEagle
 7 207
10/25/2017 12:25 PM Power Brownouts
by NSS
Last post: 10/30/2017 11:42 AM
by Bayes
 34 475
09/24/2016 6:08 PM Nuvo H2o
by tonyhemet
Last post: 10/30/2017 9:38 AM
by James Stewart
 69 1253
10/19/2017 1:00 AM Smart Box Gets Smarter
by SolarEagle
Last post: 10/30/2017 9:25 AM
by James Stewart
 9 209
09/29/2009 8:48 PM What's The Safe Way to Cut Bottoms off Acetylene Tanks?
by Transcendian
Last post: 10/29/2017 11:20 AM
by bampaw2
 78 3681
10/26/2017 3:21 PM Super Green Technology Co / Solar Cooling A/C Heating System (?)
by tonyhemet
Last post: 10/28/2017 11:36 AM
by tonyhemet
 14 330
10/26/2017 2:46 PM Looking for a GPIB Cable Continuity Tester
by tkontos
Last post: 10/27/2017 1:24 PM
by adreasler
 3 261
10/26/2017 8:19 AM Interstellar Comet Observed
by Bayes
Last post: 10/27/2017 11:22 AM
by Rixter
 7 244
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