General Knowledge
Exploring "Why" questions about General Knowledge
481 articles
Why is altitude (in regards to aircraft) still measured in feet, rather than metres?
Standardisation and inertia. The whole world basically agreed to the same sets of rules and measures and even language for flying. There's no real need to go to the expense and hassle of changing it.
Why do lower frequencies in speakers require more power? Shouldn’t it use less power since the speaker vibrates less?
Another way to think about this is the question: Why do treble sounds travel farther than bass frequencies? To answer this, take a look at the waveform of the frequency in question. The treble wavelen
Why did Canada get rid of the penny?
Canada got rid of the penny because the penny costs more to make than it's worth. A good video: [Canada gets rid of the penny](_URL_0_) Edit: put in the right link
Why does music trigger vivid memories?
The hippocampus and the frontal cortex are two large ares in the brain associated with memory and the take in a great deal of imformation every minute. Retrieving it is not always easy. It doesn't sim
Why is 1080p advertised as “full hd” when there are much higher resolutions?
Because 1080p is what is considered high definition. 4k is considered Ultra HD. It's just a term used.
Why is flexibility attractive in women?
nope its all about the sex, for me its just the idea of what it means is on the table for us to be able to do. I may be able to try new positions with a more flexible partner. Is it a huge deal?
Why is a bra just called a bra when it covers two things, but a pair of panties is called a pair when it only covers one thing?
We don't call them a pair of shirts either. Panties came from pants, and pants originally came from hosiery, which came as two separate pieces. We kept the "pair" nomenclature even after we starting j
Why do the fastest runners tend to be black?
A couple of speculative answers, in addition to /u/MrAloha808's point. "Black" and "White" aren't really groups, as there's as much variation between as there is within. Nonetheless people with black
Why in construction, when they lay rebar, is it in a grid pattern?
Because grids are easy and the structural integrity gained from triangles would not outway the massive extra time investment.
Why do I often wake up a few seconds or minutes before my alarm goes off?
Your'e body recognizes patterns and acts accordingly. If you ever want to try to maximize your sleep schedule, try going to bed and waking up at the same time 7 days a week. I started around new years