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    • New Dexcom G7 CGM system offers convenient and accurate diabetes managementThe Dexcom G7 CGM system allows users to view glucose numbers on their watch and phone, increasing convenience and accuracy, potentially leading to better health outcomes.

      Managing diabetes just became more convenient and accurate with the new Dexcom G7 Continuous Glucose Monitoring (CGM) system. This innovative technology allows users to view their glucose numbers on their compatible watch and phone, eliminating the need for frequent finger sticks. With the most accurate CGM system on the market, users can make informed decisions about their food, exercise, and medication, potentially leading to better health outcomes such as increased time in range and lower A1C levels. However, it's important to note that if glucose alerts and readings from the G7 do not align with symptoms or expectations, a blood glucose meter should be used for treatment decisions. Additionally, the Capital One Venture X Card offers unlimited 2x miles on every purchase and premium travel benefits, making it an excellent choice for those looking to maximize rewards on everyday spending and travel experiences. While we discussed the fascinating world of board-breaking on this episode of Stuff You Should Know, remember not to attempt breaking boards or other materials without proper training to avoid injury. Martial arts, however, is an excellent activity that promotes focus, discipline, strength, and self-confidence with a low injury rate.

    • The Fascinating Origins of Karate and Pintjak SalatBoth karate and Pintjak Salat have unique origins. Karate developed in Japan after the government disarmed peasants, leading to empty-hand fighting. Pintjak Salat comes from ancient Indonesia, with a legend involving a woman and monkeys. Both martial arts have intriguing histories and adaptations to historical contexts.

      The origins of martial arts like karate and Pintjak Salat involve fascinating stories and adaptations to historical circumstances. Tamishawari, a board-breaking technique unique to karate, has both real and "physics-assisted" versions. The legend of Pintjak Salat's origins comes from ancient Indonesia and involves a woman named Rama Sukana who learned fighting from observing monkeys. However, Pintjak Salat is primarily known for its use of knives and spears, contrasting the open-handed techniques associated with karate. Karate's development can be traced back to the 16th and 17th centuries when the Japanese government disarmed the peasantry, leading them to create an empty-hand fighting technique. The practice of breaking boards as a demonstration of skill and focus became synonymous with martial arts over time. Despite some uncertainties, it's clear that the history of martial arts is rich with intriguing stories and adaptations to historical contexts.

    • The Human Body's Remarkable Strength and ResilienceThe human body, particularly bones, can withstand impressive force and pressure, even surpassing the capabilities of materials like concrete. However, factors like velocity, age, and health impact a bone's ability to withstand force.

      The human body, specifically the bones, is incredibly strong and capable of withstanding impressive amounts of pressure and force. This was discussed in relation to the instinct to punch through doors and the paradoxical ability to both withstand and inflict damage. The strength of bone was further emphasized by comparing it to materials like concrete, and theorizing that a human arm bone could potentially support the weight of five trucks. However, it's important to note that the amount of weight a bone can bear is not the only factor in determining its ability to withstand force, as other variables such as velocity, age, and health also play a role. Overall, the discussion highlighted the remarkable strength and resilience of the human body.

    • The force generated in a small area can have a big impactProfessional boxers can generate half a ton of force with a punch, emphasizing the significance of small forces, and building neck muscles and focusing on technique can help minimize the risk of getting knocked out.

      The force generated in a small area can have a significant impact. This concept was discussed in relation to getting knocked out from a punch or the spasm of the diaphragm from a hit to the stomach. A professional boxer can generate around 5,000 newtons of force with a punch, which is about half a ton of force. This force is a result of mass and velocity. Humans have the ability to concentrate a considerable amount of force, and increasing velocity and mass can lead to even greater force. In the context of self-defense or sports like boxing, building up neck muscles and focusing on technique can help minimize the head's snap to the side and reduce the risk of getting knocked out. Additionally, Zigazoo was introduced as a social media platform designed specifically for kids, with videos moderated by actual people and no comments or messaging to ensure data safety.

    • Selling Custom Merchandise on SquarespaceSquarespace offers a user-friendly platform for selling custom merchandise, with an asset library, flexible website templates, and a free trial available. Breaking a board in martial arts requires avoiding knots, aiming for the center, and using punching, hammer fist, or palm heel techniques.

      Squarespace offers a user-friendly platform for selling custom merchandise through your website. With an asset library to organize and access all your content, flexible website templates for various categories, and a free trial available at squarespace.com/stuff, it's an excellent choice for entrepreneurs looking to start an online store. On a different note, we discussed the technique of breaking a board, which is a common practice in martial arts. The board is usually around a foot wide, squarish, and three-quarters of an inch thick, with pine being a popular choice due to its softness. To ensure a successful break, avoid boards with large knots and aim for the center. Techniques for breaking include punching with a closed fist, hammer fist, or palm heel, with the latter being particularly impressive. The standard karate chop is also an effective method, with the board being flat relative to the earth and the line of your hand parallel to the grain for optimal results.

    • Focusing with the grain in woodworking and martial artsAligning with the grain in woodworking and focusing on an imaginary target in martial arts can make processes easier and more effective. Proper breathing also enhances concentration and completes movements.

      Going with the grain, whether in woodworking or in life, makes the process easier. This concept applies to more than just karate chops; even a fist makes contact with less surface area, making the grain's alignment crucial. Focus is another essential aspect, especially during training. To overcome the brain's natural instinct to stop, one should focus on an imaginary target behind the actual one. Breathing is also vital, as it helps maintain concentration and encourages a complete follow-through. The exclamation or "Hiai" during martial arts techniques is an embellishment that helps athletes focus on their breath, which in turn allows them to fully commit to the motion and avoid injuring themselves by pulling their punch.

    • Increase velocity and recruit more mass for greater force outputFocus on building up speed and power instead of relying solely on brute force for success in various activities

      The power behind effective board breaking or achieving success in various fields comes from increasing velocity and recruiting more mass, not just delivering a full blow. The physics of martial arts research conducted in the 1970s revealed that speed is the primary factor in generating force. By pulling back your fist further before striking or utilizing more muscle mass in a kick, you can increase your velocity and force output. This principle applies to various activities, from breaking a board to playing sports or even performing tasks in everyday life. So, focus on building up speed and power rather than relying solely on brute force.

    • Understanding the physics behind breaking a boardPhysics plays a crucial role in breaking a board with a karate chop, involving factors like breaking along the grain, using brittle materials, and creating resonance to overcome natural resonance.

      Breaking a board with a karate chop is not just a matter of brute force, but involves understanding the physics behind it. Ron McNair, a physicist and astronaut, demonstrated this ability with a chop speed of 46 feet per second, generating around 2,800 Newtons of force. This is significantly more than the 1,900 Newtons required to break a one and a half inch concrete slab. The physics involved includes breaking along the grain, using brittle materials like pine, and creating a resonance in the object to overcome its natural resonance and cause it to break. This is not a trick or circus act, but a skillful application of physics. The memorial at Kennedy Space Center for the Challenger and Columbia astronauts, including McNair, serves as a reminder of the importance of understanding the principles behind seemingly simple actions.

    • The Complexity of Board Breaking in Martial ArtsBoard breaking in martial arts is a complex practice with debated practical value, showcasing focus, discipline, and technique, but its accuracy in gauging progress is questionable.

      Board breaking in martial arts is more complex than it seems. While some argue it's merely a show or an ancient tradition, others believe it has practical value. The physics behind breaking a single board versus multiple spaced boards illustrates the importance of focus, discipline, and technique. However, the practice may not accurately gauge progress as a martial artist. The Tokyo karate open demonstrates its role in competition and recruitment. Ultimately, opinions on board breaking's merit remain divided. To gain a clearer understanding, it's essential to hear from martial arts experts and practitioners. I, for one, have personal experience with Taekwondo but would welcome further insights from those with more extensive knowledge.

    • Exploring Endless Possibilities: Skydiving, Karate, and BoxingDespite the overwhelming number of possibilities and distractions, focus on combining passions and never give up on exploring interests.

      The speaker discovered there are endless possibilities and records in various fields, but became overwhelmed and decided to focus on combining his passions for skydiving and karate. He also learned about the history of downward elbow strikes in UFC and reminisced about his fondness for boxing in the past. The speaker also shared a personal story about his father's experience as a pin setter in a bowling alley. Despite the various distractions, the speaker encourages listeners to explore their interests and not make the same mistake he did by giving up too easily.

    • A pin setter's unique challenges and triumphsFathers have faced risks and found ways to assert control, like Ray's dad as a pin setter. Social media platforms prioritize safety and positivity for kids, and companies like Discover provide personalized services to make customers feel valued.

      Working as a pin setter in a bowling alley was a challenging and unique experience for Ray Hovorka's father. He was responsible for setting pins in multiple lanes at once, sometimes facing physical danger from errant balls or angry bowlers. Despite the risks and hardships, he found a way to assert control by subtly manipulating the pins to affect the game. Now in his seventies, Ray's father fondly recalls his time as a pin setter, and his son shares these stories with appreciation and affection. Elsewhere, the importance of safety and positivity in social media is highlighted through the mention of Zigazoo, a social media network specifically designed for kids where all members are verified and content is human-moderated. Lastly, Discover card offers access to personalized customer service and fraud protection, making everyone feel special and valued, regardless of their circumstances.

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