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2. Blue light spectrum - Wikipedia

   en.wikipedia.org/wiki/Blue_light_spectrum

   The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...

3. Business card - Wikipedia

   en.wikipedia.org/wiki/Business_card

   A Oscar Friedheim card cutting and scoring machine from 1889, capable of producing up to 100,000 visiting and business cards a day. Business cards are cards bearing business information about a company or individual. [1] [2] They are shared during formal introductions as a convenience and a memory aid.

4. Infrared photography - Wikipedia

   en.wikipedia.org/wiki/Infrared_photography

   Taken from a passenger airplane within seconds apart using a Sony H-9 Digital camera. In infrared photography, the photographic film or image sensor used is sensitive to infrared light. The part of the spectrum used is referred to as near-infrared to distinguish it from far-infrared, which is the domain of thermal imaging.

5. iPhone 14 - Wikipedia

   en.wikipedia.org/wiki/IPhone_14

   The iPhone 14 and iPhone 14 Plus have an identical design to the iPhone 13, although the US models didn't a physical SIM tray. The iPhone 14 and iPhone 14 Plus are available in six colors: Blue, Purple, Midnight, Starlight, Yellow, and Product Red. [28] Purple is a new color replacing Pink used on the iPhone 13 and iPhone 13 Mini. The yellow ...

6. Spain's antitrust watchdog opens investigation into Apple's ...

   www.aol.com/news/spains-antitrust-watchdog-opens...

   MADRID (Reuters) -Spain's antitrust regulator said on Wednesday it had opened an investigation into possible anti-competitive behaviour by Apple's App Store, an allegation the tech giant denied.

7. When Does Medicare Cover Second Opinions? - AOL

   www.aol.com/lifestyle/does-medicare-cover-second...

   Medicare will provide coverage when you need that second opinion. You’ll be covered as long as the second opinion is about a service that Medicare covers. You’ll pay 20% of the cost when you ...