Will steam engines make a comeback? Instead of making improvements in the existing steam technology, engineers were more attracted towards its replacement by diesel or electric traction. However, with the help of the scientific advancements in the past, the steam industry can be revived today and operate at its full potential. Who made the best […]
Where do we go when we dream?
How do you change chlorine to bromine?
How do you change chlorine to bromine? To switch from chlorine to bromine, one simply needs to stop using chlorine tablets and begin using bromine tablets. If you use a tablet feeder or chlorinator, it should be replaced, so that chlorine residue does not come into contact with bromine, which could be dangerous. Which is […]
Can an object have constant non zero velocity and changing acceleration?
Can an object have constant non zero velocity and changing acceleration? “An object has constant non-zero velocity and changing acceleration.” Not possible, acceleration is the change of velocity. For velocity to remain constant the acceleration must remain zero. If acceleration is changing it might be zero at some point, but will not remain zero, so […]
Which way do positive charges move?
Which way do positive charges move? The positive sign for current corresponds to the direction a positive charge would move. In metal wires, current is carried by negatively charged electrons, so the positive current arrow points in the opposite direction the electrons move. Does light travel fast or slow? The speed of light in a […]
What are the products in this chemical reaction?
What are the products in this chemical reaction? They indicate the number of each chemical species that reacts or is formed. Methane and oxygen (oxygen is a diatomic — two-atom — element) are the reactants, while carbon dioxide and water are the products. All the reactants and products are gases (indicated by the g’s in […]
Can Supreme Court hear new evidence?
Can Supreme Court hear new evidence? The appellate courts do not retry cases or hear new evidence. They do not hear witnesses testify. There is no jury. Appellate courts review the procedures and the decisions in the trial court to make sure that the proceedings were fair and that the proper law was applied correctly. […]
Can we reverse the greenhouse effect?
Can we reverse the greenhouse effect? Yes. While we cannot stop global warming overnight, or even over the next several decades, we can slow the rate and limit the amount of global warming by reducing human emissions of heat-trapping gases and soot (“black carbon”). What can reverse global warming? 10 Solutions to Reverse Global Warming […]
Can you actually see DNA?
Can you actually see DNA? Given that DNA molecules are found inside the cells, they are too small to be seen with the naked eye. While it is possible to see the nucleus (containing DNA) using a light microscope, DNA strands/threads can only be viewed using microscopes that allow for higher resolution. What are the […]
What are the three types of musical instruments?
What are the three types of musical instruments? There are three basic categories of musical instruments: percussion, wind, and stringed instruments. You can read in the Figure below how instruments in each category make sound and change pitch. What is the classification of timpani? Timpani Percussion instrument Other names Kettledrums, Timps, Pauken Hornbostel–Sachs classification 211.11-922 […]