The Role of Intuition
October 19, 2020
There's science behind your body's natural reactions to fear even if you haven't consciously registered the fact that you are afraid. Fear stimulates your brain and triggers a release of adrenaline and other stress hormones throughout your body. This rush of adrenaline is what causes your heart to race and your palms to sweat. It's also responsible for goose bumps, which are what make your hair stand on end.
Defining the Threat—Perception vs. Reality
July 20, 2020
Let’s perform a little mental exercise. I want you to close your eyes and come up with a mental picture of what you think a terrorist looks like. Be honest with yourself; don’t think about what’s culturally or socially acceptable, just form the image in your head based on what you know about terrorism. What do you see? Where is this person from? What do they look like? Are they poor and underprivileged? Are they well off and nicely dressed? Come up with as much detail as you can. No matter what image you came up with in your head, I can guarantee the reality is much more diverse.
The Basics of Predatory Behavior
June 22, 2020
To better understand predatory behaviors, let’s start by breaking down and categorizing the different types of predators and their basic motivations. In his book, Facing Violence: Preparing for the Unexpected, Sgt. Rory Miller breaks down predators into two groups: resource predators and process predators. A resource predator is looking for tangible items, be it cash, jewelry, or even your shoes. They’ve decided they need something and they’re going to take it from you. Predators in this category include your basic mugger, pickpocket, or burglar.
Situational Awareness in the Age of CoVid-19
June 8, 2020
This isn’t the first time that an unforeseen circumstance has completely changed our lives. September 11, 2001 was a tragic day for all of America. The attacks on the world trade center, pentagon and United flight 93 affected us all on an emotional level. It reshaped the way we think and live.
Brain Damage: Do Football Helmets Help?
September 5, 2016
Recently, the National Football League is facing a 765-million-dollar lawsuit filed on behalf of more than 4,500 former players regarding the concussions and potential chronic traumatic encephalopathy (CTE) sustained during their careers. Similar lawsuits are underway against the National Collegiate Athletic Association as well as the National Hockey League, and football helmet maker Riddell is facing multiple lawsuits over claims about the effectiveness of their helmets at protecting athletes from concussions.
Foam or Knuckles—Navigating the Illusion of Safety - January 18, 2016
If you really want to understand how gloves contribute to the safety of our athletes, especially when it comes to their brains, take a closer look at the physics behind taking a punch with a bare fist or a glove.
Guns, Knives, and the Hollywood Death Sentence - September 21, 2015
In order to become a successful screenwriter in Hollywood, you need to watch a lot of movies, so you can learn from the screenwriters who came before you, and so you can get a feel for what else is out there and popular today. Unfortunately, this important part of a screenwriter's education is also how Hollywood ends up propagating and recycling incredibly stupid ideas over and over again to the point where the audience just accepts it without question.
Principles Common to Both Qin Na and Ground Fighting - September 30, 2013
A lever is the simplest of machines, which utilizes a rigid bar to rotate around a fixed pivot point called a fulcrum in order to exert force on an object (load). If the resistance or load exceeds the strength of the bar, the bar will break. Biomechanically speaking, the arm is a bar, and when the fulcrum is at or above the joint, breakage can easily occur.