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.
front-facing camera. A camera in a laptop, tablet, smartphone or desktop computer monitor that has the lens facing the user on the same side as the screen. Also called a selfie camera in a mobile device or a Webcam in a laptop, a front-facing camera is required to make video calls. Contrast with rear-facing camera.