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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
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Power Brownouts
by
NSS
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10/30/2017
11:42 AM
by
Bayes
34
475
09/24/2016
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Nuvo H2o
by
tonyhemet
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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
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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
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Super Green Technology Co / Solar Cooling A/C Heating System (?)
by
tonyhemet
Last post:
10/28/2017
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by
tonyhemet
14
330
10/26/2017
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Looking for a GPIB Cable Continuity Tester
by
tkontos
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10/27/2017
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adreasler
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10/26/2017
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Interstellar Comet Observed
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7
244
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