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01/16/2018 10:40 AM Large Synoptic Survey Telescope (LSST)
by Bayes ; posted in General Discussion
Last post: 01/18/2018 9:13 AM
by Bayes
 14 267
01/15/2018 1:53 AM A Business Idea in Schools
by Anonymous Poster ; posted in General Discussion
Last post: 01/16/2018 9:32 AM
by artsmith
 5 210
01/15/2018 12:21 AM Hastelloy C276 Buttweld Fittings
by siddhagiri ; posted in Commercial Space
Last post: 01/15/2018 1:13 AM
by lyn
 1 124
01/13/2018 9:11 AM What Happened to Some of Our Great Members? Sparkstation and Masu Come to Mind
by Andy Germany ; posted in CR4 Feedback
Last post: 01/30/2018 12:34 PM
by Andy Germany
 23 814
01/10/2018 10:22 PM Water Based Air Conditioning System
by tonyhemet ; posted in General Discussion
Last post: 07/16/2019 7:31 AM
by Muller21pfg
 72 1303
01/10/2018 8:35 PM Oily Water Separator
by Klall ; posted in General Discussion
Last post: 01/21/2018 7:34 PM
by claritysable
 11 287
01/10/2018 4:27 PM Plumbing Help Please
by Kevin LaPaire ; posted in General Discussion
Last post: 01/11/2018 3:25 PM
by James Stewart
 15 465
01/09/2018 8:40 PM NVIDIA's CES 2018 Event in Less Than 10 Minutes
by SolarEagle ; posted in General Discussion
Last post: 01/12/2018 1:13 PM
by James Stewart
 5 235
01/09/2018 11:09 AM Anybody Get a Standing Desk for Christmas?
by Mindful Monkey ; posted in General Discussion
Last post: 01/15/2018 11:11 AM
by JavaHead
 36 382
01/09/2018 9:13 AM Nano Drone/Quadcopter
by user-deleted-1105 ; posted in General Discussion
Last post: 01/11/2018 3:51 PM
by James Stewart
 19 405
01/08/2018 7:03 PM Art From The Big Planet
by Rixter ; posted in General Discussion
Last post: 12/01/2019 7:07 PM
by redfred
 13 372
01/08/2018 3:47 PM IOS11 Deviates From Standard SMS Protocol
by frankd20 ; posted in General Discussion
Last post: 01/10/2018 11:57 AM
by James Stewart
 20 387
01/08/2018 11:50 AM A Fourth Spatial Dimension...Is This Where the Ghosts Live?
by SolarEagle ; posted in General Discussion
Last post: 01/10/2018 2:12 PM
by SolarEagle
 29 808
01/07/2018 6:07 AM Oroville Dam Follow Up
by Just an Engineer ; posted in General Discussion
Last post: 01/16/2018 3:56 AM
by Just an Engineer
 11 446
01/05/2018 9:24 AM What Happened to Emailed Notifications of New Posts?
by James Stewart ; posted in CR4 Feedback
Last post: 01/16/2018 2:03 PM
by James Stewart
 13 219
01/04/2018 11:00 AM Falcon Heavy is Sitting on the Launchpad
by Bayes ; posted in General Discussion
Last post: 01/24/2018 1:13 PM
by JRiversW
 9 368
01/03/2018 4:25 PM Books for Engineers
by BestInShow ; posted in General Discussion
Last post: 01/05/2018 10:02 PM
by Casper71
 13 696
01/02/2018 3:37 PM It's National Science Fiction Day! Who Knew?
by BestInShow ; posted in General Discussion
Last post: 01/14/2018 11:38 PM
by truth is not a compromise
 31 378
01/01/2018 2:08 PM How Is This Possible?
by lyn ; posted in General Discussion
Last post: 01/03/2018 2:57 PM
by tonyhemet
 43 936
01/01/2018 11:40 AM 8K OLED TV Makes Debut
by SolarEagle ; posted in General Discussion
Last post: 01/05/2018 6:53 AM
by JPool
 21 335
01/01/2018 8:05 AM What Are These Things On My Deck?
by wmerryall ; posted in General Discussion
Last post: 01/05/2018 11:48 AM
by Rixter
 24 744
12/30/2017 10:14 AM Caption This
by Tom_Consulting ; posted in General Discussion
Last post: 01/05/2018 8:57 AM
by James Stewart
 24 883
12/29/2017 1:59 PM LED Lighting
by terrapin ; posted in General Discussion
Last post: 01/03/2018 4:32 AM
by truth is not a compromise
 17 206
12/29/2017 11:56 AM Transparency
by tonyhemet ; posted in General Discussion
Last post: 01/03/2018 11:38 PM
by truth is not a compromise
 15 486
12/28/2017 5:27 PM What Is It?
by SolarEagle ; posted in General Discussion
Last post: 01/02/2018 11:07 AM
by James Stewart
 8 814
12/26/2017 7:02 PM ICOs, Blockchain, Crowd Machine. What's it Mean?
by SolarEagle ; posted in General Discussion
Last post: 12/30/2017 4:21 PM
by SolarEagle
 18 352
12/25/2017 10:55 PM Embroidery Hoop Holder
by Lehman57 ; posted in General Discussion
Last post: 12/26/2017 11:17 PM
by dkwarner
 2 288
12/25/2017 8:36 AM Wrong Hollywood Interpretation - Passenger - Loss of Gravity
by gutmonarch ; posted in General Discussion
Last post: 01/05/2018 11:38 PM
by Mikerho
 20 392
12/25/2017 5:11 AM Identify Knife
by HiTekRedNek ; posted in General Discussion
Last post: 12/26/2017 4:30 PM
by SolarEagle
 14 457
12/24/2017 9:15 PM What Kinds of Materials Should be Prepared for Protein Structure Analysis?
by joannabowie ; posted in Commercial Space
Last post: 12/24/2017 9:15 PM
by joannabowie
 0 181
12/24/2017 7:42 AM Micro Dots on Printed Documents
by HiTekRedNek ; posted in General Discussion
Last post: 01/01/2018 6:36 AM
by phph001
 49 819
12/24/2017 7:32 AM Hi Def Underwater Image Transmission
by HiTekRedNek ; posted in General Discussion
Last post: 11/05/2020 1:00 PM
by HiTekRedNek
 9 301
12/22/2017 2:33 PM Sloshing Sound Under the Dashboard
by Autobroker ; posted in General Discussion
Last post: 12/30/2017 7:13 PM
by Autobroker
 17 1507
12/21/2017 3:10 PM Happy and Safe Holidays to the CR4 Community
by BestInShow ; posted in General Discussion
Last post: 12/23/2017 11:55 AM
by Phys
 15 352
12/20/2017 10:49 PM Why My Computer CPU Fan Sounds So Loud
by Anonymous Poster ; posted in General Discussion
Last post: 12/22/2017 9:47 AM
by Randall
 15 388
12/20/2017 1:42 PM Advances in Applied Sciences in 2017
by SolarEagle ; posted in General Discussion
Last post: 01/17/2018 3:14 PM
by James Stewart
 18 428
12/19/2017 9:18 PM Scanner Antenna 25-1300 mhz Full Band
by tonyhemet ; posted in General Discussion
Last post: 12/21/2017 12:54 AM
by tonyhemet
 6 330
12/19/2017 10:00 AM 14" Cleveland Lathe Value?
by Tommie ; posted in General Discussion
Last post: 12/28/2017 2:01 PM
by Bazzer Englander
 17 456
12/19/2017 8:53 AM What Technological Innovation Will Have the Most Impact in the Next 50 Years?
by Bayes ; posted in General Discussion
Last post: 01/04/2018 12:16 PM
by phoenix911
 71 933
12/18/2017 3:14 PM Radio Telescopes Combine Data for First-ever Image of a Supermassive Black Hole
by Rixter ; posted in General Discussion
Last post: 12/22/2017 8:07 AM
by truth is not a compromise
 7 314
12/18/2017 7:26 AM Survival-capsule.com
by tonyhemet ; posted in General Discussion
Last post: 12/20/2017 11:00 AM
by Jpfalt
 20 635
12/18/2017 7:14 AM Name the Architecture or Where is this Building and Why is it Unique?
by tonyhemet ; posted in General Discussion
Last post: 12/19/2017 11:06 AM
by Jpfalt
 6 337
12/17/2017 2:08 PM Sniper Rifles
by ronseto ; posted in General Discussion
Last post: 12/19/2017 6:51 PM
by tonyhemet
 49 610
12/13/2017 11:43 AM Invisible Boat
by SolarEagle ; posted in General Discussion
Last post: 12/21/2017 2:37 PM
by phoenix911
 40 966
12/13/2017 11:29 AM Turning CO2 into Fuel via Sunlight
by SolarEagle ; posted in General Discussion
Last post: 12/30/2017 12:36 PM
by James Stewart
 27 714
12/12/2017 1:47 PM Battery Breakthrough Claim of the Week
by SolarEagle ; posted in General Discussion
Last post: 01/05/2018 3:18 PM
by James Stewart
 16 338
12/12/2017 11:47 AM Valves Interchangeable
by sandrag ; posted in General Discussion
Last post: 12/13/2017 8:23 AM
by Kevin LaPaire
 8 240
12/12/2017 9:43 AM The Number 3
by gutmonarch ; posted in General Discussion
Last post: 12/18/2017 12:35 PM
by MR. Guest
 68 525
12/12/2017 9:30 AM Perfect Christmas Gift for a Physicist
by Bayes ; posted in General Discussion
Last post: 12/18/2017 8:57 PM
by dkwarner
 82 1074
12/11/2017 2:50 PM The 2018 Monster Energy Supercross Championship today
by marbel ; posted in Commercial Space
Last post: 12/11/2017 2:50 PM
by marbel
 0 158
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