Wheels, gears, cogs...anything that needs to be endless.
Captain Edward Smith. The captain of a big ship like the Titanic ship does not actually steer the ship himself. He has a crew that does that under his instructions. So he was not actually "driving" the ship at the time of the accident. He was still ultimately responsible though because its the captains job … Read more
Archimedes Discovered Measurement Of The Volume Or Density Of An Object How Useful Is That Nowadays?
It is used to determine the weight (mass) of a ship. There are no scales big enough to weigh a ship so what mariners do is calculate the volume of the underwater section of the hull of the ship (length X breadth X height) approximately. The (average) density of sea-water is known (1025 kg/m3). We … Read more
Because if it didn't it would kill the fish, crabs, turtles and other creatures that live underwater. This most fortuitous for our aquatic friends because other substances (like metals) become more dense when they change phase and go from liquid to solid form. Water is special because when freezes it becomes less dense than when it … Read more
Perception can be described as the way reality is seen by the individual. Perception can be accurate, partially accurate/ distorted or completely incorrect. Someone's perception of anything can be influenced by various factors including previous experiences, education, maturity, emotional state and cultural, religious and personal biases.