Audio guide device that plays information in different languages through headphones to tourist sightseeing tour or in a museum.
Balloon filled with water placed on a hot grill. An experiment that tests what would be the reaction of the balloon with the cold water to the heat comes off the grill.
Earth globe showing on white background clouds visible.Some components of this image are provided courtesy of NASA, and have been found at visibleearth.nasa.gov
Family - child make a call with cell or smartphone at home in the living room
Beautiful waterfalls on the river following from a cave
a politician with an urn on an American flag with a crowd of people for democratic elections Political Parties
RUSSIA, BORODINO - OCTOBER 12: Tank in the fire on reenactment of the battle in WWII near the Borodino village in 1941, in Moscow region, Borodino, on 12 October, 2014, Russia
Family - child with cell or smartphone at home in the living room
Fabric Pile of colorful folded textile on white table
Family - child or teenager in front of her closet or wardrobe and looking for outfit
Cathedral of the Icon of the Mother of God Iversky in the Uspensko-Iversky monastery in Borschevoe, Russia
Family - child with cell or smartphone at home in the living room
Family - child with cell or smartphone at home in the living room
aggressive talented male musician playing bass guitar with hair down