Standing in the air. Sodium and water are pushed together by sound waves. SOURCE: REF. 1. Water droplets, coffee granules, fragments of polystyrene and even a toothpick are among the items that have been flying around in a Swiss laboratory lately â all of them kept in the air by sound waves.
Your status update may also show up on that friend's Timeline. When you tag someone, they'll be notified. Also, if you or a friend tags someone in your post, the post could be visible to the audience you selected plus friends of the tagged person. Learn more about what happens when you create a tag.o tag yourself or your friends in a photo: 1  Click the photo to expand it. 2  Hover over the photo and click Tag Photo at the bottom. 3  Click the person in the photo and start typing their name. 4  Choose the full name of the person you want to tag when it appears.
Timeline review lets you choose whether posts you're tagged in appear on your Timeline. Keep in mind that posts you're tagged in can also appear in News Feed, search and other places on Facebook.When people youâre not friends with tag you in a post, they automatically go to Timeline review. If you'd also like to review tags by friends, you can turn on Timeline review for tags from anyone.To turn on Timeline review: 1  Click at the top right of any Facebook page and select Settings. 2  In the left column, click Timeline and Tagging.eep in mind that posts you're tagged in can also appear in News Feed, search and other places on Facebook. When people youâre not friends with tag you in a post, they automatically go to Timeline review. If you'd also like to review tags by friends, you can turn on Timeline review for tags from anyone.