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2. Radius of curvature - Wikipedia

   en.wikipedia.org/wiki/Radius_of_curvature

   Radius of curvature and center of curvature. In differential geometry, the radius of curvature, R, is the reciprocal of the curvature. For a curve, it equals the radius of the circular arc which best approximates the curve at that point. For surfaces, the radius of curvature is the radius of a circle that best fits a normal section or ...

3. Osculating circle - Wikipedia

   en.wikipedia.org/wiki/Osculating_circle

   The center and radius of the osculating circle at a given point are called center of curvature and radius of curvature of the curve at that point. A geometric construction was described by Isaac Newton in his Principia:

4. Peacock (streaming service) - Wikipedia

   en.wikipedia.org/wiki/Peacock_(streaming_service)

   Peacock is an American over-the-top subscription streaming service owned and operated by Peacock TV, LLC, a subsidiary of NBCUniversal Media Group. Named after the NBC logo , the service launched on July 15, 2020.

5. Curve radius - Wikipedia

   en.wikipedia.org/wiki/Curve_radius

   Radius of curvature, the reciprocal of the curvature in differential geometry Minimum railway curve radius , the shortest allowable design radius for the centerline of railway tracks Topics referred to by the same term

6. Curvature - Wikipedia

   en.wikipedia.org/wiki/Curvature

   The curvature is the reciprocal of radius of curvature. That is, the curvature is =, where R is the radius of curvature [5] (the whole circle has this curvature, it can be read as turn 2π over the length 2π R). This definition is difficult to manipulate and to express in formulas.

7. What channel is Peacock? Is it free? Here's how to watch ...

   www.aol.com/channel-peacock-free-heres-watch...

   Is there a Peacock free trial? Peacock no longer offers free trials. The cheapest subscription plan is $5.99 per month. Is Peacock free on Prime? Amazon Prime subscribers will not be able to ...

8. Talk:Radius of curvature (applications) - Wikipedia

   en.wikipedia.org/wiki/Talk:Radius_of_curvature...

   About Wikipedia; Contact us; Contribute Help; ... 2 Curvature confusion. 2 comments. ... Talk: Radius of curvature (applications)

9. Radius of curvature (optics) - Wikipedia

   en.wikipedia.org/wiki/Radius_of_curvature_(optics)

   Radius of curvature sign convention for optical design. Radius of curvature (ROC) has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located either along or decentered from the system local optical axis. The vertex of the lens surface is located on the local optical axis.