By: Dave Jackson
We all know the Wright brothers built the first successful airplane. But their advances in propeller design are less known. They realized a propeller is really just a rotating airfoil (wing). By applying knowledge gained from their wind tunnel testing on wings, they greatly improved...
By: Dave Jackson
When the Wright brothers first took to the air they had only two methods to control their aircraft. In place of a rudder and ailerons they used "wing warping" much the same as a bird does. In place of an elevator they shifted their body...
By: S.C. Kleinhans
Refrigerators. 99.9% of all American households have eagerly embraced these incredible and necessary appliances. When I think of important appliances, microwaves and refrigerators easily come to mind. How could men, women and children exist without these wonderful inventions? The history of the microwave only...
By: Melanie Engels
Why have scientists never considered this (following) very important fact on global warming? Is it because sometimes people cannot see the forest for all the trees?How can a chart that Al Gore produced prove anything? The time span involved and the statistics' he used...
By: Jojo Wood
Being a science nerd is a difficult life. Why? Well I'll tell you.Science has always been my "best subject". It is something I'm good at, but what really gives me the reputation of science nerd is the fact I ENJOY science. From the beginning...
By: S.C. Kleinhans
The average person could spend hours looking up the ten most important inventions of the 19th century. He/she would probably never find any invention regarding any type of telegraph on one of those subjective lists but it should be placed on at least a top...
By: S.C. Kleinhans
I wasn't trying to be smug but I was fairly certain that I knew the answer to this title. Madame Curie. I first discovered this amazing woman back in the early 1970s. I was in junior high school at the time. I was very impressed...
By: Gary Wintle
There is a popular view that beyond the Earth, there is nothing but barren wastes and balls of gas. "Nothing to write home about", seems to be a view held by some in the media. But the evidence uncovered by science is considerably more optimistic...
By: Finjy
The Airbus A300 was a product of French/European pride and American requirements for practicality and economy. The story of the A300 has its roots in the second half of the twentieth century when, in 1966, an American Airlines executive, Frank Kolk, provided mission requirements for...
By: Morgan Johnson
Modern Rotary Wing aircraft are the fulfillment of the second oldest vision of flight. The first was to fly like a bird with straight, flapping wings. The second vision was to "corkscrew" into the air kind of like a propeller in water. In fact some...

 

1 51 52 53 54 55 132