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.
If you don't want something you're tagged in to appear on your Timeline, you'll need to remove the tag. When you remove a tag, the post will no longer appear on your Timeline. However, that post is still visible to the audience it's shared with other places on Facebook, such as in News Feed and search.omeone posted something I donât want on my Timeline. If someone posts something you don't like on your Timeline, you can remove the post: 1  Go to your Timeline. 2  Hover over the story and click.