Jeff's Knowledge Nosh

Your daily bite of miscellaneous information.

Status in the Sky

While flights may be delayed for a multitude of reasons, the vast majority are associated with airport-wide events (rather than mechanical or airline system issues that impact only a subset of one's operations). Luckily, data for those types of events is aggregated...

The Refrigerator Theory

Today is a piece of wisdom from the Kessler family known as the Refrigerator Theory: if you're going to have something for a while, it's worth upgrading it. Why's it known as the refrigerator theory? A fridge is typically something people keep for quite some time. As...

Building Up

Think about the most densely populated municipality in the nation. What’d you guess? New York? If so, you’re not that far off; just cross the Hudson. Located across the river from New York, you’ll find the tiny, tiny, tiny municipality of Guttenberg, NJ. Spanning...

Change Sensitive

There are many components to economics that are basic intuition to many, but whose terminology is often foreign to the general public. Elasticity is a phenomenon that often falls in that category. Generically speaking, elasticity is a measure of sensitivity and...

Mind the Leaves

Slippery Rail Season is one of the most dreaded times of year for any rail-based transit system; however, it’s one of the least understood phenomenons by the public and is often heralded as a lame excuse for poor service. Here’s what happens. During the autumn season,...

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More Knowledge Noshes Below

Status in the Sky

While flights may be delayed for a multitude of reasons, the vast majority are associated with airport-wide events (rather than mechanical or airline system issues that impact only a subset of one's operations). Luckily, data for those types of events is aggregated...

The Refrigerator Theory

Today is a piece of wisdom from the Kessler family known as the Refrigerator Theory: if you're going to have something for a while, it's worth upgrading it. Why's it known as the refrigerator theory? A fridge is typically something people keep for quite some time. As...

Building Up

Think about the most densely populated municipality in the nation. What’d you guess? New York? If so, you’re not that far off; just cross the Hudson. Located across the river from New York, you’ll find the tiny, tiny, tiny municipality of Guttenberg, NJ. Spanning...

Change Sensitive

There are many components to economics that are basic intuition to many, but whose terminology is often foreign to the general public. Elasticity is a phenomenon that often falls in that category. Generically speaking, elasticity is a measure of sensitivity and...

Mind the Leaves

Slippery Rail Season is one of the most dreaded times of year for any rail-based transit system; however, it’s one of the least understood phenomenons by the public and is often heralded as a lame excuse for poor service. Here’s what happens. During the autumn season,...

Spooky Baseball Celebrations

As I recover from spending more than eighteen hours in the field supporting rail operations for the Boston Red Sox’s World Series victory parade and train service to Salem for Halloween, I couldn’t help but think back to the 2008 Phillies World Series which also fell...

Salem Village

Many know of the Salem Witch Trials, but what actually happened? Quite simply, during the late 1600s in the puritan village of Salem, a young woman became ill. Given limited medial knowledge for the time, the doctors simply could not identify a cause for her state....

October Heads

By the title of the post, you might be thinking of jack-o'-lanterns. But there's another important type of head in October: Head Races! Many types of sports have elite courses and races, including the Boston Marathon, the St Andrews Golf Course, and the Kentucky...

The Disney Hole

Walt Disney World is a great place to visit, full of fun and excitement for the whole family. The problem is, getting there often requires individuals to travel hundreds or thousands of miles. What if Disney were able to bring a smaller version of the Disney...

Six-Word Stories

Read more about Hemingway's famous challenge: "For sale: baby shoes, never worn."

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