There is no ârightâ way to whiten teeth naturally with activated charcoal. Koreans put it in their toothpaste, Crunchy Betty swishes with it, and some people simply brush it on straight. Open a capsule of activated charcoal (about 1/8 teaspoon) and pour about half into a cup.
The rear-facing camera on Surface 3, Surface Pro 4, and Surface Book has an autofocus lens that can help improve the sharpness of your photos and videos. The lens automatically focuses on the main subject on the screen, but you can change the focus to a different area before taking a picture or while recording a video.
In a recent blog post on the Microsoft Devices Blog, Microsoftâs Surface image-quality team leader, Luke Cui, shone some light on the Surface Pro 4 and Surface Bookâs new cameras; the 8-megapixel rear-facing 1080p HD auto-focus camera, the 5-megapixel front-facing 1080p HD camera, and the Windows Hello face-authentication front-facing camera.