The Gun Detector – Smarter Every Day 225
In this episode of Smarter Every Day, Destin discusses the development of a gun detection system that integrates with existing security cameras to identify objects in real-time, focusing on enhancing safety while respecting privacy rights. The project, born from a collaboration with Chad, emphasizes the importance of using technology to prevent violence and improve emergency response, while also inviting viewers to engage in a broader conversation about the implications of such innovations. The lesson highlights the balance between technological advancement and ethical considerations in public safety.
Which Way Will the Water Go? (ft. Steve Mould)- Smarter Every Day 226
In the lesson “Which Way Will the Water Go?” from Smarter Every Day, Destin and Steve Mould explore the physics of water movement using a spinning apparatus. Through a high-speed camera experiment, they investigate the trajectory of water released from the device, ultimately revealing that it travels in a straight line rather than curving with the rotation, highlighting the importance of understanding different perspectives in scientific discussions and the value of collaboration in problem-solving.
How to Plant 20 MILLION TREES – Smarter Every Day 227 #TeamTrees
In this lesson from Smarter Every Day, Destin discusses the Team Trees initiative, which aims to plant 20 million trees by 2020 through donations to teamtrees.org, with the Arbor Day Foundation planting one tree for every dollar contributed. He emphasizes the importance of selecting the right tree species, understanding their growth requirements, and the role of controlled fire in maintaining healthy ecosystems, particularly for longleaf pines. Destin encourages viewers to participate in the movement and consider the broader ecological impact of their planting efforts.
Why Snatch Blocks are AWESOME (How Pulleys Work) – Smarter Every Day 228
In this lesson, we explored the mechanics and advantages of pulleys, particularly focusing on snatch blocks, which are versatile tools that simplify lifting heavy objects by redirecting force and increasing mechanical advantage. By using a combination of pulleys, such as in a block and tackle system, we can significantly reduce the effort needed to lift heavy loads, making them invaluable in both everyday situations and specialized applications, including rescue operations and space missions. Understanding how pulleys work not only enhances our problem-solving skills but also empowers us to tackle challenging tasks more efficiently.
Breaking Into a Smart Home With A Laser – Smarter Every Day 229
In the “Smarter Every Day” lesson, Destin Sandlin and researcher Ben from the University of Michigan explore vulnerabilities in smart home technology, specifically how lasers can be used to remotely control devices like smart locks and thermostats. They demonstrate that MEMS microphones in these devices can be triggered by light, allowing malicious actors to execute commands without sound. The experiment highlights the importance of securing smart home devices against such vulnerabilities by keeping them out of direct sight and implementing robust security measures.
World’s Longest Home Run (The “Mad Batter” Machine) – Smarter Every Day 230
In this lesson, the creators of “Smarter Every Day” embark on an experiment to break the record for the longest home run using a specially designed machine that swings a bat at speeds exceeding those of professional players. After overcoming technical challenges and achieving impressive results, including a recorded distance of 696 feet, the experiment highlights the intersection of physics and engineering in sports, demonstrating how science can enhance athletic performance.
HOW ROCKETS ARE MADE (Rocket Factory Tour – United Launch Alliance) – Smarter Every Day 231
The lesson provides an in-depth look at the rocket manufacturing process at the United Launch Alliance (ULA) factory in Decatur, Alabama, highlighting the importance of security, precision, and sustainability in rocket production. Led by CEO Tory Bruno, the tour showcases the transformation of raw materials into advanced rockets like the Atlas V, Delta IV Heavy, and the upcoming Vulcan, emphasizing the blend of cutting-edge technology and skilled craftsmanship. Overall, it illustrates the intricate steps involved in creating reliable rockets, underscoring the significance of human ingenuity in the field of space exploration.
Reddit Disinformation & How We Beat It Together – Smarter Every Day 232
In this lesson from Smarter Every Day, the focus is on the challenge of disinformation on Reddit, particularly regarding false information related to the coronavirus pandemic. The discussion highlights Reddit’s community-driven moderation system, which allows users to influence content visibility while also facing the threat of coordinated inauthentic behavior. Experts emphasize the importance of user vigilance and community reporting in combating misinformation, underscoring the need for collective efforts to maintain the integrity of online discussions.
We Made Face Shields – Smarter Every Day 233
In this lesson from Smarter Every Day, Destin highlights a community-driven initiative to produce and distribute 3D printed face shields for healthcare workers during the COVID-19 pandemic. The project emphasizes the importance of collaboration, efficient communication, and innovative solutions, such as leveraging 3D printing and injection molding, to meet urgent medical supply needs while ensuring safety through proper disinfection processes. Ultimately, the lesson underscores the power of community action in addressing local challenges and supporting frontline workers.
I Didn’t know Birds use Math in Murmurations! – Smarter Every Day 234
In this lesson, the author explores the fascinating phenomenon of bird murmurations, revealing how these mesmerizing displays are governed by mathematical principles, specifically the Boids algorithm. Through simple rules—such as moving toward the center of the flock, avoiding collisions, and matching speed and direction—individual birds create complex, coordinated movements that resemble a single organism in flight. The author emphasizes the beauty of emergent behavior in nature and the surprising connection between mathematics and animal behavior.