Dozens of visitors fell into the water in China's Jiangxi Province after a foot bridge at a scenic spot collapsed on Sunday morning, local authorities said. Surveillance video in the park recorded the chaotic scenes.
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See a clear example of Jaccard similarity, also called the Jaccard index, in this tutorial video. I begin by demonstrating a visual example with a grocery shopping trip and sharing the definition of Jaccard similarity. We see the Jaccard similarity formula and use it to compute the Jaccard index between our two sets: the grocery list vs the grocery purchases. Then we explore two other example applications. First, we calculated the Jaccard similarity for two text documents. And we will…
This video explains the fundamentals behind the K-Means Unsupervised Learning Algorithm and how it can be a valuable tool in analyzing and clustering large datasets to unveil patterns and insights.
Machine learning science projects: https://youtube.com/playlist?list=PLlBVuTSjOrcmaQbOVLYR9b5ONqAiZ3LQa&si=pjsYBWYt4_7TRTnx
Check out our explanation of the K-Nearest Neighbors (KNN) algorithm here: https://youtu.be/zeFt_JCA3b4
Science Buddies also hosts a library of instructions for over 1,500…
¡Haz y lanza cohetes de papel con esta actividad STEM muy divertida! Las clases planeadas de “NGSS-aligned” están disponibles en la página web de “Science Buddies”:
Desde 3ro a 5to grado:
https://www.sciencebuddies.org/teacher-resources/lesson-plans/teach-scientific-method?ytid=k90Fj9vzePU&ytsrc=description
Desde 6to a 8vo grado:
https://www.sciencebuddies.org/teacher-resources/lesson-plans/scientific-method-rockets?ytid=k90Fj9vzePU&ytsrc=description
¡Science Buddies también tiene una…
What is a CFU (colony forming unit), and how does it relate to a bacterial colony that we can see on an agar plate. In this video this foundational concept in microbiology (key in both research and diagnostics!) is explained.
This video shows you how to create an AI player to play Connect 4 with a hard-to-beat strategy using the Minimax algorithm with Alpha-Beta Pruning on Google Colab. Written instructions and example code are available on the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/ArtificialIntelligence_p014/artificial-intelligence/alpha-beta-connect4?ytid=rbmk1qtVEmg&ytsrc=description
Science Buddies also hosts a library of instructions for over 1,500 other…
Este video te muestra cómo hacer un carro propulsado por el aire de un globo, con materiales reciclados. Las instrucciones por escrito están disponibles en:
https://www.sciencebuddies.org/stem-activities/balloon-car?ytid=q5TVmzapZiI&ytsrc=description
¡Science Buddies también tiene una biblioteca con más de 1000 proyectos prácticos, planeaciones de clase y actividades divertidas para padres, estudiantes y profesores desde Kinder, hasta preparatoria (año 12)! Visítanos en…
¿Sabías que puedes usar energía solar para cocinar alimentos? Esto se puede hacer usando un horno solar, que es una tecnología ecológica y de bajo costo que parece tener todo a su favor. ¡Este video te mostrará cómo construir tu propio y simple horno solar con una caja de pizza para recolectar los rayos del sol y cocinarte un sabroso platillo!
Las instrucciones escritas están disponibles en nuestro sitio web en…
¡Construye un motor eléctrico simple con solo una batería, un imán, sujetapapeles y la bobina de un alambre en este experimento de ciencias muy divertido! Las instrucciones escritas están disponibles en la página web de “Science Buddies”:
https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p051/electricity-electronics/build-a-simple-electric-motor?ytid=mRY055arLKw&ytsrc=description
¿No estás seguro de dónde conseguir los materiales? Aquí está lo que necesitas (nota: estos…
Learn how to use the Arduino servo library to control a continuous rotation servo motor in this video.
See our complete playlist of Arduino tutorials here. The previous video in the series covers positional servos: https://youtube.com/playlist?list=PLlBVuTSjOrclb0iCMSRpS_H1lSrlSVeEm and the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino&ytid=NV6YHZ2RAqc&ytsrc=description
0:00 intro
0:25 wiring
0:51 example…
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