![Plaque index 15 (PI) (Silness and Löe) and Gingival index 16 (GI) (Löe... | Download Scientific Diagram Plaque index 15 (PI) (Silness and Löe) and Gingival index 16 (GI) (Löe... | Download Scientific Diagram](https://www.researchgate.net/publication/345967693/figure/tbl2/AS:958746058571776@1605594281237/Plaque-index-15-PI-Silness-and-Loee-and-Gingival-index-16-GI-Loee-and-Silness.png)
Plaque index 15 (PI) (Silness and Löe) and Gingival index 16 (GI) (Löe... | Download Scientific Diagram
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Aluminum Heat Sink for Raspberry Pi 3 or 4 - 15 x 15 x 15mm : ID 3082 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![TIL NASA only uses 15 digits of pi for calculating interplanetary travel. At 40 digits, you could calculate the circumference of a circle the size of the visible universe to an accuracy TIL NASA only uses 15 digits of pi for calculating interplanetary travel. At 40 digits, you could calculate the circumference of a circle the size of the visible universe to an accuracy](https://external-preview.redd.it/aKgWX90bjmM2eLOqniluB7KszEmBmcbispSKZIvR72Y.jpg?auto=webp&s=f1f16c8665ea765fbf675e88ca1d38b027c98dc4)