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CR4 Home
Blogs
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04/13/2007
10:39 AM
Earthquake Causes Coral Reefs to Die
in
Engineering News
Last post:
04/16/2007
5:24 AM
1
231
04/13/2007
9:17 AM
The 2030 Eco-Challenge
in
Building & Design Blog
Pathfinder Tags:
global warming
green buildings
Last post:
04/23/2007
4:01 PM
16
638
04/13/2007
9:15 AM
World's Longest Dam
in
Building & Design Blog
Pathfinder Tags:
dams
floods
hydraulic doors
User-tagged by
5 users
Last post:
02/26/2009
10:14 AM
7
1130
04/12/2007
3:13 PM
DARPA developing threat sensing binoculars
in
Engineering News
Last post:
04/13/2007
12:11 PM
1
288
04/12/2007
1:49 PM
April 12, 1935 – The First Flight of the Bristol Blenheim
by
Steve Melito
in
"On This Day" In Engineering History
Pathfinder Tags:
aeronautical engineering
aircraft
airplanes
April 12
frank barnwell
Last post:
04/17/2007
9:31 AM
by
PWSlack
1
524
04/12/2007
12:45 PM
M.A.R.S. Turbine Gets Power from the Jetstream
in
Engineering News
Last post:
04/15/2007
12:42 AM
6
366
04/12/2007
11:54 AM
Novelist Kurt Vonnegut Dies at 84
in
Engineering News
Last post:
04/13/2007
11:46 AM
2
176
04/11/2007
4:57 PM
New cement conducts electricity like metal
in
Engineering News
Last post:
04/16/2007
2:36 AM
3
553
04/11/2007
3:11 PM
Where has all the antimatter gone?
in
Engineering News
Last post:
03/17/2009
5:23 PM
1
116
04/11/2007
12:00 PM
Making a Telescope - Part 2
by
frankd20
in
Workbench Creations
Pathfinder Tags:
astronomy
atm
DIY blog
telescope
Last post:
04/15/2007
11:00 PM
by
BlueAussieBoy
7
969
04/11/2007
9:47 AM
Kaye Effect: Jumping Liquids.
in
Engineering News
Last post:
04/13/2007
3:11 AM
5
349
04/11/2007
9:33 AM
Nuclear Energy is Making a Comeback
in
Engineering News
Last post:
04/19/2007
6:19 PM
6
330
04/10/2007
11:00 PM
Extreme Frame Dragging
by
Jorrie
in
Relativity and Cosmology
Pathfinder Tags:
Kerr black hole; strong field frame dragging
Last post:
05/30/2008
10:36 AM
by
Jorrie
18
1016
04/10/2007
9:56 PM
Honda CA160 Motorcycle – Restoration Part 6 - (Pics)
by
stilljester
in
Automotive Technology
Last post:
10/15/2010
6:01 AM
by
williwilli
27
8432
04/10/2007
3:22 PM
Oscilloscope clock
in
Engineering News
Last post:
05/15/2007
4:42 PM
4
337
04/10/2007
3:15 PM
Huge Refrigerators Create Temps Colder than Space
in
Engineering News
Last post:
04/11/2007
8:25 AM
2
270
04/10/2007
3:05 PM
Cutting Glass with Scissors.
in
Engineering News
Last post:
04/26/2007
5:50 PM
3
579
04/10/2007
12:34 PM
How the MINI Cooper Works
in
Engineering News
Last post:
04/11/2007
10:18 PM
3
515
04/10/2007
11:43 AM
Making a Telescope - Part 1
by
frankd20
in
Workbench Creations
Pathfinder Tags:
astronomy
atm
DIY blog
parabolic mirror
telescope
Last post:
04/13/2007
10:17 AM
by
frankd20
10
1066
04/10/2007
11:40 AM
Engineering Change: Finding Clean Water for the Slums of Buenos Aires
in
Engineering News
Last post:
04/11/2007
10:32 AM
2
277
04/10/2007
3:40 AM
Amazing inventions
by
James P. Hollen
in
Industrial MRO
Pathfinder Tags:
inventions
Last post:
10/07/2008
6:53 PM
by
sunnyside
165
1406
04/09/2007
1:16 PM
April 9, 1967 – The First Flight of the Boeing 737
by
Steve Melito
in
"On This Day" In Engineering History
Pathfinder Tags:
737-100
aerospace engineers
aircraft
April 9
Boeing 737
...
Last post:
04/09/2007
1:16 PM
by
Steve Melito
0
910
04/09/2007
12:46 PM
Plastic with changeable conductivity developed by chemical engineer
in
Engineering News
Last post:
04/16/2007
5:06 AM
4
214
04/09/2007
12:20 PM
Scientists Say Real Invisibility Cloak Is In Our Grasp
in
Engineering News
Last post:
04/10/2007
10:38 PM
8
443
04/09/2007
10:26 AM
Der Smartfish, the future of flight, or flying fancy?
in
Engineering News
Last post:
04/10/2007
9:06 AM
2
351
04/09/2007
10:23 AM
Philips to light up the world with brighter, smaller, more-efficient LEDs
in
Engineering News
Last post:
12/22/2008
12:25 AM
19
483
04/09/2007
10:19 AM
The Hamiltonian - Quantum Mechanics
by
Bayes
in
Roger's Equations
Last post:
04/10/2007
10:52 PM
by
Bayes
5
839
04/09/2007
10:07 AM
Hovercraft helicopter hybrid UAV attracts interest of US military
in
Engineering News
Last post:
04/10/2007
5:56 PM
1
531
04/09/2007
9:29 AM
Woman of the Week - Rosalind Elsie Franklin (July 25, 1920 – April 16, 1958)
by
julie
in
WoW Blog (Woman of the Week)
Pathfinder Tags:
April 16
Crick
DNA
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July 25
...
Last post:
06/19/2007
1:17 PM
by
MintyFresh@GS
5
844
04/08/2007
5:01 PM
Injection Molded Parts: Newsletter Challenge (04/10/07)
in
Challenge Questions
Pathfinder Tags:
challenge questions
Last post:
07/30/2007
9:54 AM
135
8791
04/07/2007
1:08 PM
Future Energy Sources 1.9.2.1 Hot Fusion
by
masu
in
Power Generation and Distribution Blog
Last post:
05/01/2007
5:31 AM
by
Physicist?
10
501
04/06/2007
3:48 PM
HOW TO - Collect hydrogen and oxygen
in
Engineering News
Last post:
04/09/2007
8:27 AM
4
447
04/06/2007
3:29 PM
Robotic Braces Could Help Rewire Stroke Victims' Brains
in
Engineering News
Last post:
04/09/2007
7:58 AM
2
145
04/06/2007
3:08 PM
Japanese Manufacturers Lead Bioplastics Use
in
Plastics & Resins Blog
Last post:
04/07/2007
10:33 AM
1
352
04/06/2007
3:00 PM
New Mexico to Build a Spaceport for Space Tourism
in
Engineering News
Last post:
04/10/2007
9:26 AM
5
178
04/06/2007
2:49 PM
Electric motorcycle smashes records
in
Engineering News
Last post:
04/08/2007
2:14 PM
1
441
04/06/2007
9:24 AM
Solar Flares Threaten GPS Receivers
in
Engineering News
Last post:
04/08/2007
5:02 PM
1
265
04/06/2007
9:14 AM
Solar Power Breakthrough: Solar Dyes Could Be Put In Windows, Clothing
in
Engineering News
Last post:
12/23/2008
1:51 PM
5
491
04/06/2007
9:04 AM
Wireless Sensor Network to Monitor Urban Environments
in
Engineering News
Last post:
04/10/2007
8:51 AM
1
181
04/06/2007
8:46 AM
Big Brother About to 'Speak' and Chastise Across Britain
in
Engineering News
Last post:
04/11/2007
5:07 AM
18
280
04/06/2007
6:00 AM
April 6, 1938 – Teflon is Discovered
by
Steve Melito
in
"On This Day" In Engineering History
Pathfinder Tags:
April 6
carcinogens
EPA
PFOA
PTFE
...
Last post:
04/07/2007
10:58 AM
by
Spacebio
1
526
04/05/2007
3:38 PM
Motorwind: Micro-Wind Turbines.
in
Engineering News
Last post:
01/15/2008
10:10 AM
1
140
04/05/2007
1:36 AM
Arctic Replenishes Very Little Thick Ice
by
masu
in
Power Generation and Distribution Blog
Last post:
06/29/2007
10:31 AM
by
Physicist?
20
377
04/04/2007
5:31 PM
The Ellsworth Ride
in
Engineering News
Last post:
04/06/2007
11:30 AM
1
296
04/04/2007
5:22 PM
Gibbs delivers more amphibious vehicles
in
Engineering News
Last post:
04/05/2007
4:59 AM
1
77
04/04/2007
5:15 PM
Orange County Choppers builds Intel a Xeon-powered bike
in
Engineering News
Last post:
04/07/2007
6:34 PM
2
608
04/04/2007
5:01 PM
Happy Second Birthday, CR4!
by
Chris Leonard
in
The Engineer's Notebook
Pathfinder Tags:
birthday
CR4
GlobalSpec
Last post:
04/06/2008
2:16 AM
by
mobilemechanixx
14
563
04/04/2007
2:26 PM
Dust Blamed for Warming on Mars
in
Engineering News
Last post:
05/31/2007
4:50 PM
26
372
04/04/2007
2:02 PM
The Memory Hacker
in
Engineering News
Last post:
04/04/2007
11:48 PM
1
358
04/04/2007
12:33 PM
April 4, 1933 – The Akron Disaster
by
Steve Melito
in
OH CR4P!
Pathfinder Tags:
airships
aviation
dirigibles
Goodyear
zeppelins
Last post:
05/04/2007
1:36 PM
by
Steve Melito
4
791
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