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2. Radar beacon - Wikipedia

   en.wikipedia.org/wiki/Radar_beacon

   In the United States a longer duty cycle is used, 50% for battery-powered buoys (20 seconds on, 20 seconds off) and 75% for on-shore beacons. Ramarks are wide-band beacons which transmit continuously on the radar bands without having to be triggered by an incoming radar signal. The transmission forms a line of Morse characters on the display ...

3. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

   www.aol.com/entertainment/20-off-raycon-earbuds...

   These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

4. Three-point flexural test - Wikipedia

   en.wikipedia.org/wiki/Three-point_flexural_test

   The three-point bending flexural test provides values for the modulus of elasticity in bending , flexural stress , flexural strain and the flexural stress–strain response of the material. This test is performed on a universal testing machine (tensile testing machine or tensile tester) with a three-point or four-point bend fixture.

5. Coupon collector's problem - Wikipedia

   en.wikipedia.org/wiki/Coupon_collector's_problem

   In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...

6. Triple point - Wikipedia

   en.wikipedia.org/wiki/Triple_point

   The triple points of several substances are used to define points in the ITS-90 international temperature scale, ranging from the triple point of hydrogen (13.8033 K) to the triple point of water (273.16 K, 0.01 °C, or 32.018 °F). The term "triple point" was coined in 1873 by James Thomson, brother of Lord Kelvin.

7. List of boiling and freezing information of solvents - Wikipedia

   en.wikipedia.org/wiki/List_of_boiling_and...

   Solvent. Density (g cm-3) Boiling point (°C) K b (°C⋅kg/mol) Freezing point (°C) K f (°C⋅kg/mol) Data source. Aniline. 184.3.

8. Point and figure chart - Wikipedia

   en.wikipedia.org/wiki/Point_and_figure_chart

   Point and figure chart. Point and figure (P&F) is a charting technique used in technical analysis. Point and figure charting does not plot price against time as time-based charts do. Instead it plots price against changes in direction by plotting a column of Xs as the price rises and a column of Os as the price falls.

9. Tonnetz - Wikipedia

   en.wikipedia.org/wiki/Tonnetz

   Interpreted as a torus, the Tonnetz has 12 nodes (pitches) and 24 triangles (triads). In musical tuning and harmony, the Tonnetz (German for 'tone net') is a conceptual lattice diagram representing tonal space first described by Leonhard Euler in 1739. [1] Various visual representations of the Tonnetz can be used to show traditional harmonic ...