When Was the First Gas Balloon Used?
When Was the First Gas Balloon Used? The first gas balloon, filled with hydrogen, was released in Paris in August, 1783 which was designed by a French professor of...
Read MoreWhen Was the First Gas Balloon Used? The first gas balloon, filled with hydrogen, was released in Paris in August, 1783 which was designed by a French professor of...
Read MoreWho Invented the Aeroplane? The first aeroplane ever to fly was built by a French naval officer, Félix du Temple de la Croix (usually simply called Félix du Temple). In...
Read MoreWhy Do Planes Fly in a Curve and Not a Straight Line to Their Destination? A Boeing 747 burns over 10 tonnes of fuel every hour and much more when it is climbing up to...
Read MoreWhen Did Pterodactylus Live? Pterodactylus (or pterosaurs) lived between 150 million and 70 million years ago. These extraordinary reptiles were able to fly. Some had a...
Read MoreWhen Do Birds Migrate? Millions of birds of many different varieties migrate at the end of summer. With unfailing regularity they leave the regions where they were born...
Read More