Courses

Explore the intriguing mathematical concepts behind sausages and butcher paper in this engaging 40-minute lecture by Danny Calegari, presented by the International Mathematical Union. Delve into the unexpected connections between everyday objects and complex mathematical principles, gaining insights into geometric properties, optimization problems, and spatial relationships. Discover how seemingly simple items can inspire profound mathematical inquiries and lead to surprising discoveries in the field of geometry and topology.

Learn to forge a traditional biscuit cutter through delicate forge welding techniques in this 24-minute blacksmithing tutorial. Master the precise metalworking skills required to create functional kitchen tools using traditional forge methods. Observe detailed demonstrations of forge welding processes specifically applied to crafting a biscuit cutter, with step-by-step guidance on achieving clean, strong welds for this delicate project. Gain insights into working with charcoal as a fuel source and discover techniques for maintaining proper heat control during the welding process. Explore the intersection of functional tool-making and traditional blacksmithing craftsmanship while creating a practical kitchen implement that showcases both utility and artisanal skill.

Create a loop-able 'cookie cutter' motion graphics animation in Blender with this step-by-step tutorial. Learn the techniques to craft engaging and visually appealing motion graphics using Blender's powerful tools and features. Discover how to design, animate, and render a seamless, repeating animation that resembles the mesmerizing movement of a cookie cutter. Perfect for motion graphics artists, 3D animators, and Blender enthusiasts looking to expand their skillset and create eye-catching animations for various projects.

Explore the inner workings of Pat LaFrieda Meat Purveyors, America's most celebrated butcher facility, in this 21-minute documentary video that follows head butcher Pat LaFrieda through a typical day at the world's largest dry-aging operation. Witness the sophisticated processes behind supplying meat to the nation's most notable restaurants and hotels, from machine inspections and laser-guided processing systems to burger preparation protocols and team training on specialized cuts. Discover the meticulous selection process for the facility's renowned dry-age room, where hundreds of thousands of pounds of meat are processed daily, and observe cutting-edge thermal drone surveillance technology used to monitor operations. Learn about the century-old legacy of this family business and gain insight into the precision, scale, and expertise required to maintain the highest standards in commercial meat processing and distribution.

Dive into a thought-provoking conference talk from the 44CON Information Security Conference 2012 in London. Join Thomas Mackenzie and Michele Orru as they explore intriguing cybersecurity concepts in this 59-minute presentation. Gain valuable insights into the world of information security and expand your knowledge on cutting-edge topics discussed by industry experts.

Explore the innovative cookie cutter technique for acrylic pouring in this 20-minute video tutorial. Learn how to create unique butterfly-shaped designs using a specialized cutter that is symmetrical from left to right but not from top to bottom. Discover the exciting and interesting results of this asymmetrical approach to fluid art. Follow along as the instructor demonstrates the process using DecoArt Americana Paints, Extreme Sheen metallic paints, and pouring medium on a 10-inch MDF round board. Gain insights into paint mixing ratios, consistency techniques, and sealing methods for your finished artwork. Perfect for both beginners and experienced artists looking to expand their acrylic pouring repertoire with a creative twist.

Explore an in-depth review of the Everlast PowerPlasma 50 plasma cutter in this informative video. Discover why plasma cutters are becoming increasingly popular among welders and fabricators due to their ease of use and low operating costs. Learn about the advantages of plasma cutting over traditional oxy-acetylene methods, including the use of compressed air instead of specialized gases. Examine the features and specifications of this 50 amp, dual voltage plasma cutter, priced at around $850. Gain insights into the pros and cons of the unit, helping you make an informed decision for your welding and fabrication needs. Whether you're a professional welder or a DIY enthusiast, this review provides valuable information to help you understand the capabilities and potential applications of the Everlast PowerPlasma 50 in your workshop.

Explore the performance and value of budget-friendly plasma cutters in this comprehensive review of the BestArc BTC500DP. Examine the build quality, control features, and cutting capabilities of this dual-voltage plasma cutter through a series of tests on various materials. Discover how it performs on both 220V and 120V power sources, and determine whether this affordable option is a worthwhile investment or a potential disappointment for welding enthusiasts and professionals alike.

Explore a comprehensive buyer's guide for CO2 laser cutters and engravers, focusing on K40 and Chinese models. Learn about essential features, specifications, and safety considerations when shopping for these machines. Gain insights into control boards, laser tube sizes, power supplies, cooling systems, and software options. Discover valuable resources and expert advice for tinkerers interested in laser cutting technology. Be aware of potential safety risks and ensure you have the necessary knowledge and experience before considering a purchase.

Learn how to build a CNC plasma cutter in this comprehensive 57-minute video tutorial. Explore the operating principles of plasma cutters, including high and low frequency types, and discover specialized components like floating heads and water tables. Follow step-by-step instructions for mechanical assembly, electrical wiring, and software setup. Gain insights into generating tool paths, optimizing cutting speeds, and managing power and air requirements. Master the use of CAM software like OpenBuilds and Fusion 360 for designing and cutting parts. Conclude with practical projects and tips for creating heat-resistant holders, equipping you with the knowledge to construct and operate your own automated plasma cutting system.

Discover Kairos, an innovative open-source project for building immutable Operating Systems tailored for edge computing, in this DevConf.CZ 2023 conference talk. Explore the foundations and concepts of this Linux meta-distribution, which acts as an engine delivering Kubernetes-enabled OS from OCI conformant container images. Learn about Kairos' unique capabilities, including VPN peer-to-peer mesh, distributed ledger for automated Kubernetes cluster bootstrapping, and zero-touch provisioning via QR code scan. Understand how Kairos simplifies edge operations using a declarative model backed by Kubernetes CRDs. Watch speakers Nicolas Vermande and Oluebube Princess Egbuna demonstrate Kairos' impressive features live, showcasing its potential to revolutionize edge computing deployments.

Explore comprehensive troubleshooting techniques for plasma cutters in this informative 16-minute video. Learn about selecting the right plasma cutter and compressor for your needs, proper air filter and dryer setup, and the importance of consumables. Discover the differences between wet and dry plasma cuts, understand common mistakes like cutting from too far away or traveling too slowly, and gain valuable insights to improve your plasma cutting skills. Perfect for both beginners and experienced welders looking to enhance their fabrication techniques and achieve cleaner, more precise cuts.

Get more from your cookie cutter collection with expert guidance from professional cookie decorator Georganne Bell. Start by transforming a simple exclamation point into a person, a pumpkin and a drumstick. Then, get cookie decorating tips as you turn an ice cream cone shape into a festive pilgrim, create a royal icing transfer and whip up a playful popcorn bucket — perfect for movie night! Tired of shapes that just miss the mark? Learn how to modify your designs using cutters already in your stash and add exciting texture to your cookies for professional results. Up next, bring custom designs to life with existing cutters and create a swashbuckling pirate cookie, guaranteed to make any party more fun. Finally, learn decorating techniques that hide seams and stabilize combined cookies. And, put your new skills to use as you make a playful circus-themed cookie collection!

Explore a captivating conference talk from Derbycon 7 (2017) featuring John Cramb, ceyx, Josh Schwartz, and FuzzyNop as they delve into the intriguing "Game of Meat" topic. Discover insights and discussions from these cybersecurity experts during this 42-minute presentation, which offers valuable knowledge and perspectives in the field of information security.

Explore the capabilities and performance of the BestArc BTC500XP, an affordable CNC-ready plasma cutter, in this comprehensive 16-minute video review. Discover whether this budget-friendly option delivers on its promises and stands up to the rigors of CNC plasma cutting. Learn about its features, cutting quality, and overall value for money. Gain insights into how this plasma cutter compares to other options in the market and determine if it's the right choice for your CNC plasma cutting needs. Understand the potential benefits and limitations of choosing a low-cost CNC-compatible plasma cutter for your projects.

Follow along with a real client project walkthrough video that demonstrates the transformation of a basic website into a compelling digital presence. Explore the complete web design process as Matt Jumper breaks down each phase, from initial brand audit and goal setting to content planning and visual styling. Learn practical insights through Matt's detailed explanation of his workflow, including project challenges, design iterations, and final implementation strategies. Divided into clear segments covering project assessment, content strategy, visual design principles, and final execution, gain valuable insights into professional web design methodology. Perfect for designers seeking to understand the practical application of web design principles in real-world client scenarios.

Learn about designer Stefan G. Bucher. Follow his journey through college and with agency Wieden+Kennedy, Madonna's Maverick Records, and his own company, 344 Design.

Explore the capabilities of a powerful laser engraving and cutting machine in this 32-minute video review. Dive into the features and performance of the 40W model, learning about its engraving precision and cutting abilities on various materials. Gain insights into the machine's setup, software interface, and practical applications. Join a dedicated Facebook group for user discussions and tips. Discover how this versatile tool can enhance your crafting, prototyping, or small-scale manufacturing projects. Support the content creator through Patreon or PayPal donations, and explore vintage machinery resources on their website. Take advantage of a special discount on phase converters from the video sponsor.

The Meat We Eat is a course designed to create a more informed consumer about the quality, safety, healthfulness and sustainability of muscle foods and address current issues in animal agriculture in developed and developing countries.

The powerful and majestic carnivores are the focus of many television documentaries. In this free course, Studying mammals: Meat eaters, we will delve into the lives of these fearsome hunters and explore their physical adaptations and social behaviour. This is the fifth course in the Studying mammals series.