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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. Discounting - Wikipedia

   en.wikipedia.org/wiki/Discounting

   In the case where the only discount rate one has is not a zero-rate (neither taken from a zero-coupon bond nor converted from a swap rate to a zero-rate through bootstrapping) but an annually-compounded rate (for example if the benchmark is a US Treasury bond with annual coupons) and one only has its yield to maturity, one would use an annually ...

4. The best deals to shop at Amazon this weekend: Including an ...

   www.aol.com/lifestyle/the-best-deals-to-shop-at...

   Plus, at 50% off, this is as low as we've seen it in years. $25 at Amazon. Amazon. ... This discount brings it down to within $2 of its Prime Day price. $19 at Amazon. Amazon.

5. Could the "YIMBY" movement fix America's affordable housing ...

   www.aol.com/could-yimby-movement-fix-americas...

   The "YIMBY" movement is a political effort to tackle the country's housing shortage by increasing the housing supply with strategies like changing zoning codes and other regulations that limit ...

6. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_Code

   The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

7. Drinking this much coffee a day is linked to a lower risk of ...

   www.aol.com/news/drinking-much-coffee-day-linked...

   Ke and a group of researchers in China and Sweden analyzed the coffee and tea drinking habits of 188,000 people ages 37 to 73 from the U.K. Biobank, a large database that contains anonymous health ...