Login | Register
The Engineer's Place for News and Discussion®


Engineering News

Latest news of interest to engineers. Sourced from GlobalSpec's Engineering News
Previous in Blog: Einstein's Math Suggests Faster-Than-Light Travel   Next in Blog: Fruit Juice Guards Against Aluminum Corrosion
Close

Comments Format:






Change Mode
Close

Subscribe to Discussion:

CR4 allows you to "subscribe" to a discussion
so that you can be notified of new comments to
the discussion via email.

Close

Rating Vote:







Add Vote
Subscribe Rate this Comments: Nested

LED at 50: An Illuminating History

Posted October 10, 2012 8:29 AM

From BBC News - Science & Environment:

50 years on, the LED's inventor on an idea that changed the world.

Watch the video

Reply

Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

Previous in Blog: Einstein's Math Suggests Faster-Than-Light Travel   Next in Blog: Fruit Juice Guards Against Aluminum Corrosion


"Perplexity is the beginning of knowledge." -- Kahlil Gibran

All times are displayed in US/Eastern (EDT) (Register to change time zone)

Got Something to Say?
Ask a Question
Start a Discussion

Search this Section
General:
Go

Search this Blog
Engineering News:
Go

Search all of CR4
Go

Recent Blog Entries

Blog Tags
2 Time Dimentions 2B R B1 3d printer 9 2 5 B4 1N7 aircraft wings alien Android animal control April 16 April 17 April 18 April 19 April 20 April 23 April 24 April 25 April 27 atlet fork lift trucks atomic structures August 1 August 10 August 15 August 2 August 23 August 27 August 28 August 3 August 7 barzohar batteries Ben Franklin Boomerang BPO Brazil orange picking competition building plans drawing burglary business process outsourcing capital investment op. car CCFL cement details chernobyl civil engineering new material civil engineering tips CO2 compact fluorescent light bulbs Computer Virus Concept construction work deep explain surveying DIGITAL hoarders E El Sayed Sabry Energy energy source February 28 fences without wire or posts Florida citrus picking losses fly in dense atmosphere frames mini clips trailers Free energy frequency Fruit picking invention fuel cells games codes tools gadgets gear golf clubs gps fences grand canyon H Hadron Collider Howward hurricanes I AM B 4U I CU 4U UC2 Internet access IT January 8 July 11 July 13 July 16 July 18 July 20 July 23 July 26 July 30 July 31 July 5 June 1 June 11 June 12 June 13 June 14 June 15 June 18 June 21 June 22 June 25 June 26 June 27 June 28 June 29 June 4 June 5 June 6 June 7 Kelly labor omnia lasers LEGO Light Polluion effort material management Math: E=Mc2 May 15 May 16 May 17 May 18 May 2 May 21 May 22 May 23 May 24 May 25 May 29 May 30 May 31 May 7 May 8 mini club car overhead loader N navy new building technology new technology development October 17 October 19 October 5 October 9 old flame OLPC Olympics 2012 ONE O' N ONE OneWebDay2008 orange picker panasonic pasma pigeon code Please send my Boss too Plugs Post-It potato plastic ppp railgun robot evolution robots SaaS Sally Ride sensors September 13 September 14 September 17 September 18 September 3 September 7 Sock Vendor software as a service solar energy spain's solar plant SRB SS Stonehenge ancient ruins Sulphur Hexafluoride sunset T-50 Tapped In Trike Trills r affairs loans a bust. Tunguska Event U Units USER virtual fences wave hub Weather Models WIG wikipedia wind energy is energy of south to north sliding of wireless cattle fences X-47B zombie

CR4 Sections
Aerospace
BioMech & BioMed
Chemical & Material Science
Civil Engineering
Communications & Electronics
Education and Engineering Careers
Electrical Engineering
General
Instrumentation
Manufacturing
Mechanical Engineering
New Technologies & Research
Software & Programming
Sustainable Engineering
Transportation

Site Directories
Forum Directory
Blog Directory
User Group Directory
RSS Feeds
CR4 Store

CR4 Rules of Conduct
CR4 FAQ
Site Glossary

Who's Online (127 right now)
Show Members