Visible Light
Our eyes perceive a tiny sliver of the electromagnetic spectrum. The wavelengths from (approximately) 400 to 750 nanometers provide us with our physical view of the universe.
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Additional Resources
- Chatting (Not Chattering) About Salesforce - Part I
- (NOTE BEFORE I START: This is one really long post. So rather than post it in all its glory in a single file or post it here over two days, I'm trying something new. I'm posting the first half here. And the second half on PGreenblog. Â Let's see how that...
- Blog posts 2009-11-23
- Palm Pixi (Sprint)
- The debut of the Palm Pre got the tech world and gadget enthusiasts excited about Palm once again. Long considered dead in the water, Palm's innovative WebOS operating system buoyed it back into the spotlight, and the Pre was certainly a boon for the company as well as Sprint. While...
- Product reviews 2009-11-12
- Golasso Classroom Exam Clock 1.2 (Windows)
- Golasso Classroom Exam Clock allows a teacher to display the time remaining in a test on a PC monitor. The numbers are displayed in the classic style of electronic boards with light bulbs. Three message lines can also be displayed while the clock is winding down. Start and stop the...
- Software downloads 2009-11-10
- VelaClock 2.2.1 (Mac)
- VelaClock is a world clock widget with a highly configurable user interface. Besides displaying local times, users can quickly display the time of sunrise, sunset, or twilight, duration of daylight, current phase of moon, time zone information and much more. The interface can easily be configured to use a minimum...
- Software downloads 2009-11-09
- VelaClock Deluxe 2.2.1 (Mac)
- VelaClock Deluxe is a world clock widget with a highly configurable user interface. Users can quickly display the time of sunrise, sunset, or twilight, duration of daylight, moonrise, moonset, phase of moon, time zone information and more. VelaClock Deluxe has all the features of the standard version, plus: Add...
- Software downloads 2009-11-09
- Amazon Kindle Wireless Reading Device (U.S. & International Wireless, Latest Generation)
- On October 22, 2009, Amazon discontinued the U.S.-only version of the Kindle and replaced it with the international Kindle model and set the price at $259. This new model--now called the "U.S. and International Kindle"--runs on AT&T's network and can access content on cellular networks inside and outside of the...
- Product reviews 2009-11-07
- Apple Magic Mouse
- Apple's latest pointer, the Magic Mouse, is included with its new iMac desktops, but you can purchase it separately for $69. Just don't confuse it with the Mighty Mouse, because although they're the same price, the differences end there. The Magic Mouse gets an aerodynamic face-lift and also supports...
- Product reviews 2009-10-21
- Finally! A Three-Cornered Consulting Service for Enterprise 2.0
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- Blog posts 2009-10-20
- Motorola Entice W766 (Verizon Wireless)
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- Product reviews 2009-10-07
- The case of the fake money-mules: Inside the URLZone Trojan network
- Security EvangelistHi, boy I sure wish people would stop using the word Evangelist in the wrong way. An Evangelist is someone you preaches the Gospel of Jesus Christ, not a secular title at all. Wikipedia recently removed the secular definition and Webster is researching it. Evangelist is from the Greek...
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- Emergency Light is a pair of emergency flasher lights:1. The general emergency flasher alternates red and white on the screen + LED at maximum brightness.2. The distress signal flashes the Morse Code SOS on the screen + LED at maximum brightness, alternating with a long red flash.Flashing can be "soft"...
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- Impressionism Art Screensaver - 900 Paintings 2eb (Windows)
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- Top digital camera phones on the market
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- - works perfectly on S60 3rd edition phones and S60 5th Edition touch screen phone. Great theme, enjoy! Installation guide:Series 60 phones: Before installation please change this setting to "All": Menu | Tools | App.mgr. | Options | Settings | Software installationDownload the .sis file to your PC, then install...
- Software downloads 2009-09-22
- Motorola Debut i865 (Boost Mobile)
- Most iDEN push-to-talk phones are quite bulky, and come in either a clamshell or candy bar form factor. The Motorola Debut for Boost Mobile, however, bucks that trend. It is the first ever iDEN push-to-talk phone to come in a slider design, which gives it a rather svelte appearance. Aside...
- Product reviews 2009-09-18
- Oppo BDP-83
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- Product reviews 2009-09-02
- Shape Of Light Theme (Mobile)
- Enjoy The Shape Of Light Theme by Nitrio. It works perfectly on S60 3rd edition phones and S60 5th Edition touchscreen phones . Great theme, enjoy!Installation guide:Series 60 phones: Before installation please change this setting to "All": Menu | Tools | App.mgr. | Options | Settings | Software installationDownload the...
- Software downloads 2009-08-22
- Visioning Apple's netbook futures
- Visioning Apple's netbook futuresWhat's wrong with the word "envisioning"?What's wrong with the word "envisioning"? Was there really a need to create a chimera like "visioning"? It seems to belong to the same family of buzzy neologisms that spawned "gifting" (for "giving a gift to someone"). In medical science, we us...
- Discussion threads 2009-08-02
- LED Scroller (Mobile)
- - the scroller that actually LOOKS like a LED display!LED scroller lets you type in a text, choose color and speed, and scroll the text sideways like a LED display on your Android! As seen on billboards, stock tickers, banners and traffic signs everywhere. Cool in the dark, and nifty...
- Software downloads 2009-07-20
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