Why are people mean on Twitter? – Smarter Every Day 214
The lesson explores the complexities of social media manipulation, particularly on Twitter, highlighting how bots and malicious actors can deceive users and influence public opinion. It emphasizes the challenges social media platforms face in balancing open discussion with the need to prevent manipulation and misinformation. The importance of critical thinking and skepticism when engaging with online content is underscored as a vital defense against these tactics.
Who is Manipulating Facebook? – Smarter Every Day 215
The lesson “Who is Manipulating Facebook?” explores the pervasive issue of social media manipulation, particularly on Facebook, which, despite its benefits for connection and business, is exploited for financial gain and influence by malicious actors. Through the insights of researcher Renee DiResta, the lesson highlights the severe consequences of misinformation, as seen in cases like Myanmar, and emphasizes the importance of understanding manipulation techniques to foster a more truthful online environment. Ultimately, it advocates for increased awareness and critical engagement with information to combat the challenges posed by coordinated inauthentic behavior across social media platforms.
How Hard Can You Hit a Golf Ball? (at 100,000 FPS) – Smarter Every Day 216
In this episode of Smarter Every Day, the host explores the physics of hitting a golf ball, focusing on the concepts of elastic and plastic deformation. Through innovative experiments, including a rocket-powered golf club and a vacuum cannon, they discover that modern golf balls can withstand impacts up to 300 miles per hour before deforming permanently, while also highlighting the design efficiency of golf balls in energy absorption and release. The lesson combines science with engineering creativity, showcasing the fascinating dynamics of golf ball collisions.
Unmixing Color Machine (Ultra Laminar Reversible Flow) – Smarter Every Day 217
In this lesson, we explore the concept of laminar flow through the lens of Taylor-Couette Flow, demonstrating its principles with an engaging experiment using corn syrup. By observing the reversible nature of fluid motion at ultra low Reynolds numbers, we illustrate how chaotic appearances can be restored to order, drawing a parallel to life’s challenges and the importance of patience and deliberate action. The lesson emphasizes the beauty of fluid dynamics while offering insights into resilience and clarity in both science and life.
What Happens to Lasers Underwater? (Total internal reflection) – Smarter Every Day 219
In this lesson, Destin and Trent explore the phenomenon of Total Internal Reflection while experimenting with lasers and headlamps underwater. They demonstrate how light behaves differently when it travels between water and air, leading to concepts like Snell’s Window and the principles behind fiber optics. The lesson highlights the importance of understanding light behavior in various technologies and encourages reflection on both scientific exploration and social impact.
Where does NASA keep the Moon Rocks? – Smarter Every Day 220
In this lesson, viewers are taken on a tour of NASA’s Lunar Sample Laboratory Facility, where moon rocks from the Apollo missions are meticulously preserved and studied. Destin from Smarter Every Day highlights the careful processes involved in collecting, handling, and storing these precious samples, emphasizing the importance of contamination prevention and security measures in maintaining their integrity for future research. The experience underscores the significance of these lunar treasures in enhancing our understanding of the moon and the solar system.
I watched the Eclipse in Argentina – Smarter Every Day 221
In the lesson “I Watched the Eclipse in Argentina,” Destin from Smarter Every Day shares his adventure of witnessing a total solar eclipse in Argentina, highlighting the journey from discovering a Lunarium in Vienna to finding the perfect viewing spot in the desert. He emphasizes the excitement of capturing the eclipse against the stunning backdrop of the Andes mountains and the meaningful experience shared with his wife. The lesson showcases the beauty of solar eclipses and the joy of exploration and photography.
160TB Server with Linus! (From Linus Tech Tips) – Smarter Every Day 222
In this episode of Smarter Every Day, Destin explores the technical challenges of managing large amounts of data generated by high-speed cameras, specifically a V2511 model. He collaborates with Linus Sebastian from Linus Tech Tips to set up a 160TB server equipped with RAID technology for efficient data storage and protection, while also reflecting on the evolution of computing through a discussion with technology expert Luke Talley. The lesson highlights the importance of effective data management in content creation and the intersection of historical and modern technological advancements.
How did NASA Steer the Saturn V?- Smarter Every Day 223
The lesson explores the engineering marvel of the Saturn V rocket, highlighting its guidance system, which was controlled by an onboard computer rather than the astronauts. Constructed in Huntsville, Alabama, the Saturn V’s technology, including its innovative core memory system, exemplifies the meticulous craftsmanship and collaboration of engineers in the 1960s, ensuring the rocket’s successful missions to the moon. The lesson emphasizes the blend of human ingenuity and technological advancement that made this historic achievement possible.
This is Music On An Oscilloscope – (Drawing with Sound) – Smarter Every Day 224
In this lesson, Destin explores the intriguing intersection of sound and visual art through the use of oscilloscopes, which display voltage over time. By utilizing two microphones to manipulate sound signals, he demonstrates how sound can be transformed into visual representations, showcasing the work of artists Hanz and Jerobeam who create oscilloscope music using innovative software that combines sound waves with 3D modeling. This unique art form highlights the creative potential of blending vintage technology with modern digital techniques, allowing for a captivating exploration of mathematics and sound.