Science and Technology

  How Does NASA communicate with spacecraft?   NASA Communication with space craft: Spacecraft sends us the information and pictures using DNS (deep space network). DNS is a collection of big antennas which receives information and is located at different locations in the world. The antennas also receive details about where the spacecraft are and how they are doing. There are DSN locations near Canberra, Australia, Madrid, Spain and Goldstone, California. Those sites are almost evenly spaced around the planet. That means as the Earth turns, we never loose the sight of spacecraft.   What DSN Antennas Do? DSN  receives information and pictures which is sent by spacecraft.  NASA also uses the DSN to send lists of instructions to the space craft. How Do Spacecraft Communicate With the DSN? The tools they use in the spacecraft can't be heavy or take too much power or take too much room. Small antennas are fixed to the spacecraft and the we...

  Facts about Snapchat  #8 Drinks are a popular feature. According to a recent statistics, a staggering 93% of snap chat users have sent a picture to somebody else of their drink.  Over 60% sent pictures of people they don't even know.   #7 It's been beaten only by Facebook. Snapchat has become so popular now that facebook is the only Rival, which can beat. Snapchat regularly ranks at 2 , just behind our favorite social networking app.   #6 Best friends or no best friends? Snapchat users went slightly crazy in 2015 when the 'best friends'  Feature was taken away. Prior to this update, users could see the best friends of others users. 64% of people still want the 'best friends' list to come back.   #5 if at first you don’t succeed, try again! The founders, Evan spiegel, Reggie brown Poster and Bobby Murphy, had tried 34 projects before coming up with the idea  Of    Snapchat.  Their idea was criticized, but it's a good job they ...