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2. Active or download Premium Subscriptions - AOL Help

   help.aol.com/articles/How-do-I-activate-download...

   Active or download Premium Subscriptions. After you enroll in AOL Premium Subscription product or service, you can initiate the activation process by one click on the following options within your Order Confirmation email: "Login with AOL," "download now," or "get started now." If you haven't received an Order Confirmation email, please refer ...

3. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

4. Download, install, or uninstall AOL Desktop Gold - AOL Help

   help.aol.com/articles/aol-desktop-downloading...

   Download Desktop Gold. AOL Desktop Gold is included at no additional cost with your membership. 2. Under 'All Products' scroll to 'AOL Desktop Gold'. If you have an AOL Desktop Gold trial or subscription. Using the link in the Official AOL signup confirmation email you received. 1.

5. George M. Stratton - Wikipedia

   en.wikipedia.org/wiki/George_M._Stratton

   Knight Dunlap. Olga Bridgman. George Malcolm Stratton (September 26, 1865 – October 8, 1957) was an American psychologist who pioneered the study of perception in vision by wearing special glasses which inverted images up and down and left and right. He studied under one of the founders of modern psychology, Wilhelm Wundt, and started one of ...

6. Ray transfer matrix analysis - Wikipedia

   en.wikipedia.org/wiki/Ray_transfer_matrix_analysis

   Each optical element (surface, interface, mirror, or beam travel) is described by a 2 × 2 ray transfer matrix which operates on a vector describing an incoming light ray to calculate the outgoing ray. Multiplication of the successive matrices thus yields a concise ray transfer matrix describing the entire optical system.

7. Overhead projector - Wikipedia

   en.wikipedia.org/wiki/Overhead_projector

   Overhead projector. An overhead projector (often abbreviated to OHP ), like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience. In the overhead projector, the source of the image is a page-sized sheet of transparent plastic film ...

8. List of human positions - Wikipedia

   en.wikipedia.org/wiki/List_of_human_positions

   The sleeping position is the body configuration assumed by a person during or prior to sleeping. Six basic sleeping positions have been identified: [dubious – discuss] Fetus (41%) – curling up in a fetal position. This was the most common position, and is especially popular with women. Log (15%) – lying on one's side with the arms down ...

9. This device lets you use your phone or tablet hands-free ...

   www.aol.com/lifestyle/tablet-phone-ereader-hands...

   Hands Free Tablet & Stand Holder Clip. $16 $26 Save $10. Whether you're a new parent doing midnight feedings or you hate holding up a book while trying to read in bed, this hands-free tablet stand ...