In figure 5 you can see that Earth is essentially a giant magnet with the solar wind following invisible magnetic field lines down to Earth. The Polar regions are open to particles, while the equatorial regions are protected by our magnetic field. © William Copeland There are four main ...
Humans and machines:a match made inproductivityheaven. Our species wouldn’t have gotten very far without our mechanized workhorses. From the wheel that revolutionized agriculture to the screw that held together increasingly complex construction projects to the robot-enabled assembly lines of today, ma...
The SkyTeam Alliance currently has 19 member airlines serving over 676 million passengers a year: SkyTeam member airlines Aerolineas Argentinas. AeroMexico. Air Europa. Air France. China Airlines. China Eastern. Delta Air Lines. Garuda Indonesia. ...
it would be a good idea to curl up in your favorite chair with a book on the beach. here are five brand new beach reads brimming with sunshine sand, romance and secret. out of the clear blue sky by kristan h...
Mathematicians drew a line up the seam running down the middle of the cloth and came up with a mathematical model with 23 vertical lines. The stars and flowers on the tilma were changed into notes. This purely mathematical operation turned out notes that produced a perfect harmony. They tried...
The sky was almost clear yesterday night. So I took the opportunity to try to photograph Messier 93, an open cluster in the constellation Puppis. But when I try to force the processing a bit, colorful lines appear in the image. They look like "rainbow". That was the first time I photo...
Sitting in court. C 生活 生活可能美好, 生活可能悲伤, 生活常常充满欢乐, 但有时令人沮丧。 生活可能是幻梦一场, 生活可能是伟大理想, 生活也可能是一个人, 独坐在被告席上。 Another simple form of poem thatamateurscan easily...
Student: Uh, haven't you? Oh, I guess not everyone's heard of it...it's this amazing...uh, it's like this... this park in the sky! Director: A park in the sky? Student: Yeah... Well, see there was this old train line. You know, one of those "elevated lines", the kin...
Here are a few key lines of evidence for dark matter: 1.Galaxy rotation curves When astronomers measure how fast stars orbit the centers of galaxies, they find something strange. The stars at the edges of galaxies are moving much faster than they should be if only visible matter were present...
Directions: Suppose you have just participated in a school project of collecting used books on campus. You are now to write a report about the project, which may include its aim, organizers, participants and activities. You will have 30 minutes to write the report. You should write at least...