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2. 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 ...

3. Rear-projection television - Wikipedia

   en.wikipedia.org/wiki/Rear-projection_television

   Rear-projection television ( RPTV) is a type of large-screen television display technology. Until approximately 2006, most of the relatively affordable consumer large screen TVs up to 100 in (250 cm) used rear-projection technology. A variation is a video projector, using similar technology, which projects onto a screen .

4. Opaque projector - Wikipedia

   en.wikipedia.org/wiki/Opaque_projector

   Opaque projector. An episcope which was used in a University of Cambridge lecture hall in the late 1800s. The opaque projector, or episcope is a device which displays opaque materials by shining a bright lamp onto the object from above. The episcope must be distinguished from the diascope, which is a projector used for projecting images of ...

5. I tried the Bomaker Polaris 4K projector — and it's a ...

   www.aol.com/entertainment/tried-bomaker-polaris...

   Energizer Connect Smart Plug, No Hub Required, $20 (was $50), walmart.com. Philips Hue White E26 Smart Bulb 2-Pack, $80, (was $141), walmart.com. Wonderful Home Security Network, $50 (was $100 ...

6. Ultra-high-performance lamp - Wikipedia

   en.wikipedia.org/wiki/Ultra-high-performance_lamp

   An ultra-high-performance lamp, often known by the Philips trademark UHP, is a high-pressure mercury arc lamp. [1] These were originally known as ultra-high-pressure lamps, [2] [3] because the internal pressure can rise to as much as 200 atmospheres when the lamp reaches its operating temperature. It was developed by Philips in 1995 for use in ...

7. Appeals court voids Marine's adoption of Afghan orphan; child ...

   www.aol.com/news/appeals-court-voids-marines...

   A Virginia appellate court ruled Tuesday that a U.S. Marine should never have been granted an adoption of an Afghan war orphan and voided the custody order he’s relied on to raise the girl for ...