Phases of matter and chemical mixtures Under most normal circumstances, chemical compounds exist in one of three states or phases: solid, liquid, and gas. At normal atmospheric pressure, there is a specific temperature at which a given substance will transition from one phase to another. Many substances in the kitchen which are solid at room…
Tag: how it works
How compression works and why JPEG artifacts look like that
Do I look like I know what a JPEG is? In a computer, all information is represented as bits, strings of zeros and ones. However, bits can more or less be interpreted as generic numerical data written in base 2 instead of as decimals. In other words, in a computer, all information is represented as…
Why rockets don’t need to push against anything (it’s rocket science)
How can a rocket work in empty space without something to push against? While you may or may not be aware of the answer yourself, this question is perplexing to many people. I invite you to consider why this situation is confusing. I assure you it is not a matter of mere ignorance, and you…
Owner, chairperson, CEO, president: Who’s really in charge of the company? An expository essay on corporate governance in the US
In a publicly traded company, the shareholders actually own the company. The shareholders collectively appoint members of the board of directors according to an agreed upon process, and the board of directors controls the company for the shareholders. The board then hires C-level executives, including CEO (chief executive officer), to do the actual work of…
thoughts on mind 