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Last post: 07/18/2018 12:30 PM
by lyn
67 501
Last post: 05/23/2018 5:06 AM
4 182
Self-Sustained Water Pump
Last post: 05/20/2018 7:48 PM
53 437
Salt Battery
Last post: 04/09/2018 6:40 PM
14 637
Last post: 05/14/2018 10:02 AM
45 431
Distillation Generator
Last post: 12/04/2017 3:16 PM
59 649
Last post: 10/23/2017 11:58 AM
4 287
Last post: 10/30/2017 9:35 AM
40 548
AI Versus Human Engineering
Last post: 10/23/2017 3:25 PM
13 154
Last post: 09/28/2017 3:28 PM
8 135
Last post: 10/03/2017 3:22 PM
29 277
Last post: 09/26/2017 10:23 AM
34 288
Shortcuiting the Solar PV Array
Last post: 07/31/2017 8:10 PM
43 371
Climate Change - Again
Last post: 07/13/2018 6:36 AM
28 297
Last post: 06/26/2017 9:46 AM
by ozzb
39 418
Diatoms and Silica Patterns
Last post: 05/22/2017 11:25 AM
9 168
Tesla Solar Panel Vs. Hail Cannon
Last post: 05/15/2017 11:26 AM
9 316
Last post: 05/09/2017 12:11 PM
16 220
Last post: 04/26/2017 8:44 AM
13 212
Water Taste Test Winners
Last post: 04/24/2017 4:01 PM
4 113
Last post: 04/20/2017 10:44 AM
15 241
Last post: 04/10/2017 6:53 PM
27 422
Last post: 03/20/2017 2:37 PM
3 182
Last post: 03/23/2017 10:01 AM
39 328
INDRA Engineering Prize
Last post: 03/13/2017 2:49 PM
1 122
Mini Boiler Project of Mine
Last post: 03/16/2017 12:25 PM
47 425
Last post: 02/21/2017 6:04 PM
39 193
Last post: 02/15/2017 1:48 PM
27 232
Last post: 01/24/2017 9:48 AM
36 356
Last post: 11/23/2016 9:06 AM
14 286
Last post: 11/20/2016 4:15 PM
17 380
Last post: 09/29/2016 10:57 AM
16 326
Fly Away Flywheels
Last post: 10/01/2016 11:38 AM
81 1034
HOIP Solar Cells
Last post: 09/27/2016 11:35 AM
17 369
24/7 Solar?
Last post: 09/09/2016 4:58 PM
1 253
Last post: 08/11/2016 4:09 PM
18 319
Last post: 04/26/2016 2:53 PM
20 303
Pumps and Energy
Last post: 04/15/2016 7:37 AM
15 391
FW From SW
Last post: 04/10/2016 7:53 AM
26 296
Ox Power
Last post: 05/26/2016 11:51 AM
15 279
Last post: 03/28/2016 4:05 AM
by Ramm
7 270
Last post: 02/29/2016 2:10 PM
2 181
Passive Solar Heating/Cooling
Last post: 02/22/2016 2:08 PM
by lyn
22 364
Geothermal Investors
Last post: 02/19/2016 4:10 PM
8 194
Last post: 01/29/2016 1:18 PM
4 347
Fibre Reinforced Polymer
Last post: 02/08/2016 11:18 AM
24 409
Last post: 01/25/2016 12:34 AM
44 609
Solar Energy
Last post: 12/09/2015 5:17 PM
7 391
Last post: 02/10/2016 8:43 PM
102 644
Last post: 11/21/2015 10:35 AM
22 374
Last post: 11/02/2015 10:45 AM
29 548
Last post: 12/01/2015 9:34 AM
17 290
Kimberlite Mines and Wind Power
Last post: 10/15/2015 9:42 PM
by mog
52 890
Texas, Unique in so Many Ways
Last post: 06/06/2016 2:26 PM
34 460
Charging R600a
Last post: 07/21/2017 4:36 PM
34 440
Metric Nut Job!
Last post: 09/01/2015 12:23 AM
9 465
How to Use Eco Gas Cans...
Last post: 08/29/2015 5:56 PM
32 561
Home Built Solar Heater
Last post: 07/23/2017 4:20 AM
34 746
Solar Assisted Air Conditioning?
Last post: 06/06/2015 1:14 AM
22 509
Happy Earth Day!
Last post: 04/27/2015 10:42 PM
by Wal
17 373
Solar Panels
Last post: 03/18/2015 12:50 AM
8 614
Last post: 03/07/2015 9:23 PM
by JNB
13 362
Last post: 03/05/2015 2:20 PM
12 295
Power Harvesting (Solar)
Last post: 03/05/2015 5:32 PM
40 534
Last post: 02/25/2015 12:41 PM
9 373
Last post: 02/26/2015 8:20 AM
100 621
Recycling Plastic Waste
Last post: 02/18/2015 8:52 PM
17 384
Last post: 02/23/2015 10:49 AM
6 296
Last post: 02/24/2015 12:24 PM
12 309
Multitasking Solar
Last post: 02/04/2015 10:21 PM
6 347
Last post: 02/06/2015 12:18 PM
54 430
Last post: 02/18/2015 12:43 PM
41 575
Re-purposing Some Items
Last post: 06/03/2016 6:51 PM
15 446
Last post: 12/28/2014 8:11 PM
24 474
What Is This?
Last post: 12/08/2014 5:34 AM
2 388
Last post: 02/17/2015 1:50 PM
67 829
Force?
Last post: 12/04/2014 4:08 AM
11 439
Last post: 11/19/2014 1:49 PM
27 657
Last post: 11/28/2014 3:37 AM
16 551
Gyro Energy Possibilities
Last post: 11/28/2014 3:48 AM
6 263
Work In The Energy Field
Last post: 11/28/2014 3:45 AM
42 406
Last post: 10/17/2014 4:48 PM
by IQ
31 428
Fresh bachelor
Last post: 10/15/2014 8:12 AM
57 401
Zero Effluent from Plant
Last post: 10/13/2014 4:17 PM
11 332
Last post: 10/06/2014 3:41 PM
15 645
Last post: 09/29/2014 10:35 PM
23 647
Last post: 08/21/2014 10:03 PM
6 398
Last post: 10/06/2014 6:16 PM
19 637
Recycling, a Way of Life
Last post: 08/20/2014 2:47 AM
11 375
The Price of Solar
Last post: 09/25/2014 5:40 PM
29 456
Earth Air Tunnel System
Last post: 08/01/2014 4:09 AM
10 519
Last post: 08/18/2014 4:53 AM
10 463
Last post: 08/05/2014 4:41 AM
13 376
Last post: 08/01/2014 9:50 AM
8 413
Last post: 07/03/2014 11:37 PM
16 578
Wave Energy Converter
Last post: 06/25/2014 3:54 PM
by Anonymous Poster
22 391
Fracking
Last post: 06/18/2014 11:01 PM
7 267
Online Thesis - Elements
Last post: 06/07/2014 2:46 PM
14 263
Vessel Design
Last post: 05/22/2014 7:17 AM
1 219
Fluidyne Pumps
Last post: 05/24/2014 4:18 AM
11 322

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