“Thought is a function of human brain, and is a cognitive activity for human to understand the objective world. Thought is a process that uses the conceptions, judgment and reasoning to reflect the objective world. Thought can process all kinds of information that enters the human’s brain, ...
So, Did Dinosaurs Have Feathers? The surrounding rock can offer its own clues. There can be impressions from leaves or feathers, fossil eggs or the remains of nests. Impressions from the dinosaur's skin can give paleontologists an idea of its texture. But none of this can answer a fundament...
Asbestos is a natural mineral and carcinogen that causes mesothelioma. Learn about how to identify it, cancers caused by asbestos and asbestos litigation.
were listening to news, drama, comedy, and musical performances from thousands of miles away.Radio was the first mass broadcast medium and, together with television a few decades later, it was responsible for altering both the pattern and volume of information that flowed into people’s homes. ...
Over time, air forces around the world began to develop watches with specific aviation functions. In the 1930s the Luftwaffe developed the Flieger style of watches: the Type-A with simple numerals and delta index at 12 o’clock, and the Type-B with large minutes in the outer dial and hou...
In standard fashion, the feds, detectives, television reporters, and police officers are primarily incompetent, except for McClane. This adds to the earlier notion that the working-class guy is the movie’s hero. Actor Paul Gleason, well-known for a similar curmudgeonly role in 1985’s The ...
The trouble with this is that the piston is driven only during one of the four steps—so it's making power only a fraction of the time. The amount of power a piston engine makes is directly related to how big the cylinder is and how far the piston moves; unless you use hefty ...
However, effects can develop quickly afterward in the form of a sunburn or worse. Overexposure to UV radiation can lead to skin cancer, cataracts and a compromised immune system [source: EPA]. Besides sunlight, UV sources include black lights and welding tools. Lastly, lasers emit IR, visible...
How to Start a Brand: The Comprehensive Guide I get it – branding is often shrouded in mystery and jargon. There's so much conflicting advice that it can make your head spin. “Develop your brand purpose!”“Nail your visual identity!”“Craft an epic brand story!” And on and on it...
If you've ever used an ordinary microscope, you'll know the basic idea is simple. There's a light at the bottom that shines upward through a thin slice of the specimen. You look through an eyepiece and a powerful lens to see a considerably magnified image of the specimen (typically 10...