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.
1 How do I add or remove a cover photo in my note?  How do I remove the add friend button from my Facebook profile? Hi, I want to remove the 'add friend' button from my Facebook profile. There are many people who currently have this set on their accounts so please don't tell me it's impossible. When looking at my privacy settings - who can add me as a friend: there are two options = 1) everyone 2) friend of friends.