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K&J Magnetics Blog

Your source for magnet info and cool ways to use your magnets!

Magnet blog covering many diy projects and magnet info

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    1. How to Separate Strong Magnets

      Understand different methods for separating magnets, including practical techniques for safely handling strong magnets.
    2. Maglev Trains

      Learn about magnetic levitation (maglev) trains and how they use magnets to achieve high-speed, frictionless travel.
    3. Adhesive Backed Magnets

      Explore the convenience of adhesive-backed magnets, which offer easy and secure attachment solutions.
    4. Stir Bars

      Discover the use of magnetic stir bars in laboratory settings to efficiently mix and stir various liquids and solutions.
    5. Magnetic Forces

      Explore the fundamental concepts of magnetic forces, including attraction, repulsion, and their mathematical descriptions.
    6. Vehicle Signs

      Customize your vehicle with magnetic car signs, a versatile and removable solution for advertising and personalization.
    7. Magnetic Water Treatment

      Explore the role of magnets in water treatment processes, including the breakdown of certain minerals.
    8. Homopolar Motors

      Build and experiment with homopolar motors, a simple but fascinating magnetic motor concept.
    9. Mounting Magnets

      Discover versatile mounting magnets that provide secure and damage-free solutions for various applications.
    10. Pseudo-Levitation

      Explore the basics of the Mendocino motor, a solar-powered magnetic device that gracefully spins without batteries.
    11. Finding Studs with Magnets

      Discover how magnetic stud finders simplify the process of locating wall studs for DIY projects.
    12. Mag-Neato Toys

      Discover the magic of Mag-Neato toys, which use magnetic forces to create fascinating and interactive play experiences.
    13. Credit Cards and Magnetic Stripes

      Learn about magnetic stripes on cards and their applications in encoding data for security and access control.
    14. Magnetic Cereal

      Explore the science behind the claim that some breakfast cereals contain iron and how magnets can demonstrate it.
    15. Magnetic Bottle Opener

      Enjoy the convenience of magnetic bottle openers, combining style and functionality for your favorite beverages.
    16. Make a Magnetometer

      Understand the role of gaussmeters in measuring magnetic fields and their importance in various industries.
    17. Magnetic Grate Separation

      Discover the efficiency of magnetic grates in removing ferrous contaminants from bulk materials in industrial processes.
    18. Eddy Current Magnetic Separation

      Learn about magnetic separation techniques and their applications in separating and purifying materials.
    19. Why are Magnets Shaped like Horseshoes?

      Explore the history and significance of horseshoe magnets and why they have a unique and enduring appeal.
    20. Magnets with an OFF Switch

      Learn about the innovative Magswitch technology and its versatile applications in various industries.
    21. Electric Guitar Pickups

      Learn how magnetic guitar pickups work and their crucial role in shaping the sound of electric guitars.
    22. Magnet Cannon

      Explore the fascinating world of magnet cannons and their ability to accelerate magnetic projectiles.
    23. Emergency Magnet Separation

      Learn how to separate super strong magnets in the case of an emergency.
    24. Magnets Are Everywhere

      Discover the ubiquitous presence of magnets in everyday life, from technology to healthcare and beyond.
    25. Google Cardboard

      Learn how magnets are integrated into Google Cardboard VR headsets to enhance user experiences.
    26. Painting Magnets

      Explore magnetic paint and its applications in turning surfaces into magnetic boards for creativity and organization.
    27. Hanging Christmas Wreaths with Magnets

      Create a magnetic Christmas wreath with festive decorations and learn about the magnetic science behind it.
    28. Dry-Erase Boards

      Upgrade your workspace with magnetic glass boards, combining functionality and aesthetics.
    29. Electromagnet Demonstration

      Explore the science and applications of electromagnets, versatile devices with adjustable magnetic strength.
    30. Magnetic Pins and Brooches

      Discover how magnets are used in pins and brooches to create secure and stylish fastening solutions.
    31. Remagnetizing Fridge Magnets

      Learn how to remagnetize flexible fridge magnets and revitalize their magnetic strength for various applications.
    32. Magnet Strength Side By Side

      Compare different types of magnets side by side to understand their characteristics and applications.
    33. Hanging Big Posters with Magnets

      Personalize your space with big posters held securely in place using magnetic solutions for easy installation and removal.
    34. Magnets in Education

      Enhance your knowledge with educational resources and info on magnetism and its diverse applications.
    35. Belt-Clip Hammer Holder

      Discover the convenience of a hammer belt clip to hang your hammer or tools on, a useful tool for carpenters and DIY enthusiasts.
    36. DIY: Build Your Own Seismometer

      Explore seismometers, precision instruments that rely on magnets to detect and record seismic activity.
    37. Magnet Fishing

      Get hooked on magnet fishing with our full guide: Tips, gear, and best magnets to use for enthusiasts of all levels and more.
    38. Using Magnets for Miniatures

      Embark on a journey to create a magnetic Star Wars X-Wing model and explore the magnetic science behind it.
    39. Tensegrity Table

      Testing magnet replacements for strings in a tensegrity table, revealing stability challenges due to Earnshaw's theorem.
    40. Fishing Wires Through Walls

      Find out how magnetic wire fishing tools simplify the installation of cables and wires in challenging environments.
    41. Can Magnets Rust?

      Discover why neodymium magnets aren't waterproof and how to protect them from corrosion in wet conditions.
    42. Magnetic Cabinet Closures

      Find the right magnetic cabinet closure solutions to enhance the convenience and security of your cabinets.
    43. Fix a Ceramic Magnet

      Understand the process of ceramic remagnetization and its applications in the restoration of magnet properties.
    44. Solar Powered Motors

      Explore advanced variations and improvements to the Mendocino motor, a fascinating solar-powered magnetic device.
    45. Pole Climbing Robot

      Learn about pole-climbing robots that use magnets and how to calculate required strength.
    46. Simple Magnetic Train

      Experience the wonder of a coil train, a captivating demonstration of magnetic propulsion using electromagnetic coils.
    47. Rubber Mounting Magnets

      Discover rubber block mounting magnets, versatile solutions for securing items without damage or permanent attachment.
    48. Choosing the Best Fridge Magnets

      Discover how to choose the perfect fridge magnets and avoid most common mistakes to protect your fridge from scratches and more.
    49. Magnets vs. Steel

      Compare the magnetic properties of magnets and steel materials and their roles in various industries.
    50. Magnetic Dipole Moment

      Exploring the concept of magnetic dipole moment, its calculation, and practical implications for magnet behavior in external fields.
    51. Red October - Magnetohydrodynamic Drives

      Magnetohydrodynamic drives use magnets and saltwater to propel submarines silently.
    52. What is Magnetic Separation?

      Discover how magnetic separation enhances product quality, efficiency, and safety in industries like food, recycling, and mining.
    53. Re-Magnetizing Refrigerator Seals

      Refrigerator seal repair: Understand the risks and methods of re-magnetizing fridge door seals with neodymium magnets.
    54. Magnet Car with AA Battery

      Build a simple AA battery-powered motor using magnets and learn about basic motor principles.
    55. Magnetic Coupling Boat

      Learn about magnetic coupling as we build a boat and use magnets to drive the propeller.
    56. Measuring Earthquakes with a Seismometer

      Explore advanced seismometer technology and how it relies on magnets for precise earthquake monitoring.
    57. Viewing Magnetic Fields

      Find out how you can use light and other methods to view magnetic fields.
    58. Does Steel Block or Improve Magnetic Strength

      Find out if steel blocks or extends a magnetic field and how it affects magnets.
    59. Magnetic Doorstops

      Find the perfect doorstop solution that combines functionality with the magnetic attraction to keep doors securely in place.
    60. Levitating Top

      Experience the wonder of spinning levitation, a captivating phenomenon enabled by magnetic forces.
    61. Magnetic Office Decor

      Discover how friction affects the behavior of magnets and how it can be harnessed for various applications.
    62. Light Switch Key Holder

      Upgrade your home decor with magnetic switchplates, combining functionality and aesthetics in unique ways.
    63. The Simplest Motor

      Build and understand the inner workings of a simple motor powered by magnets, a great educational project.
    64. Breaking Magnets

      Explore the strength and fragility of neodymium magnets as we showcase how fragile they are.
    65. MuMETAL

      Delve into the properties and applications of MuMetal, a high-permeability alloy used for shielding against magnetic fields.
    66. Measuring Magnets

      Learn how to accurately measure magnetic properties and understand magnet specifications for various applications.
    67. Magnet Sweeper

      Explore the utility of magnetic sweepers for efficient cleanup of metal debris in various settings.
    68. Magnetic Screen Doors

      DIY a magnetic screen door! Perfect for seamless, hands-free entry and exit, combining convenience and practicality for your home.
    69. DIY Magnetic Lock

      Craft a hidden magnetic lock easily! Ideal for securing cabinets or doors with a sleek, user-friendly design.
    70. Surface Fields 101

      Explore the concept of surface fields and their significance in understanding how magnetic fields interact with nearby objects and materials.
    71. Hard Drive Destruction

      Discover secure hard drive destruction methods using powerful magnets to safeguard sensitive data.
    72. Magnetic Shielding Materials

      Secrets of effective magnetic shielding. Learn about materials, thickness, and optimal steel thickness with our calculator.
    73. Which Pole Is North?

      Learn how to quickly and easily find the north pole of a magnet and make your own compass.
    74. How Much Will a Magnet Hold?

      How much will a magnet hold? Learn about how magnet strength changes depending on how magnet is used and how gaps lower pull force.
    75. Reed Switches and Hall Effect Sensors

      Learn about reed switches and Hall-effect sensors, two types of magnetic sensors used in various applications.
    76. Sticky Business - How to Glue Neodymium Magnets

      The best glues and adhesives for neodymium magnets, plastics, aluminum and how to get the best bond strength.
    77. Pacemaker Safety

      Understand pacemaker safety guidelines and how to safely handle magnets to avoid interfering with medical devices.
    78. Magnetic Knife Holder

      Organize your kitchen in style with our step by step guide to build a magnetic knife holder.
    79. Sewing Magnets

      Explore the use of sewing magnets in crafting and sewing projects, adding functionality and convenience to your creations.
    80. Hanging Art on a Wall with Magnets

      Discover innovative ways to hang art on walls using magnetic art hanging systems, ensuring easy and damage-free installation.
    81. Temperature and Neodymium Magnets

      Find out how temperature can impact the strength and performance of neodymium magnets and learn about high temp grades.
    82. Audio Speakers

      Explore the role of magnets in speakers and how they produce sound by interacting with electrical signals.
    83. Shipping Magnets

      Learn about shipping magnets safely and securely, including best practices for packaging and labeling magnetic materials.
    84. Magnet Basics

      Magnet basics: Learn how magnets work, how they attract and repel, how to magnetize objects and more!
    85. How Neodymium Magnets are Made

      Get insights into the manufacturing process of neodymium magnets, the strongest permanent magnets known.
    86. Steel Thickness Calculator

      Use a steel thickness calculator to determine the minimum thickness required for magnetic attraction in various applications.
    87. Magnetic Meteorites

      Magnetic meteorite hunting: tips and tricks for finding and successful identification.
    88. Magnetic Paint

      Transform your walls with magnetic paint, allowing you to turn any surface into an interactive and magnetic display.
    89. Shake Flashlight

      Discover shake flashlights that use magnets and induction to generate light without batteries, ideal for emergencies and outdoor adventures.
    90. Diamagnetism and Levitation

      Experience diamagnetic levitation, a unique phenomenon where materials are repelled by magnetic fields and float in mid-air.
    91. Gap Calculator

      Calculate and understand the magnetic gap in electromagnetic devices, a critical parameter for their performance.
    92. Gauss Guns

      Discover the fun and physics behind Gauss guns, magnetic acceleration devices that demonstrate the principles of electromagnetism.
    93. Eddy Currents

      Explore the concept of eddy currents, electrical currents induced by magnetic fields, and their applications in various technologies.
    94. Magnet Grades

      Understanding magnet strength and heat resistance: A deep dive into magnet grades and their significance.
    95. Guide to Aquarium Magnets

      Enhance your aquarium with magnetic accessories, learn how to use magnets in your aquarium setup.
    96. Halbach Arrays

      Understand the principles and applications of Halbach arrays, which generate unique and powerful magnetic fields.
    97. The Earth Is a Magnet

      Explore the role of magnets in Earth science, including how magnetic fields and rocks reveal the planet's history.
    98. Dent Removal

      Use magnets for DIY dent removal on brass instruments! A practical, non-invasive method, ideal for large dents on thin materials.
    99. Magnetic Gears

      Create a magnetic gear set to explore the fascinating interplay of magnets and mechanics in an engaging DIY project.
    100. Magnetic Trains

      Build a DIY magnetic train set! Transform classic wooden trains into magnetic or even MagLev ones for a fun, educational, and creative project.
    101. Battery Powered Magnet Cars

      Take an ordinary battery and turn it into a car with neodymium magnets. Full guide with videos.
    102. Superconductor Levitation

      Dive into the fascinating world of superconductors and their ability to exhibit remarkable magnetic properties at low temperatures.
    103. Magnetic Spice Jars

      Organize your kitchen with magnetic spice jars that simplify storage and accessibility of your favorite seasonings.
    104. Mendocino Motor

      Delve deeper into the Mendocino motor, a solar-powered magnetic marvel, with advanced concepts and designs.
    105. Magnetic Tool Holders

      Say goodbye to messy toolboxes with magnetic organization! A neat, efficient solution for quick access to your tools, perfect for any workshop.
    106. iPhone Magnetic Measurements

      Enjoy magnetic iPhone accessories and fun experiments that showcase the magnetic features of your device.
    107. Magnets Are Weird

      Uncover the weird and wonderful world of magnets, where science meets magic and surprises abound.
    108. Leverage & Friction When Using Magnets

      Discover how leverage and friction affect magnet's strength.
    109. Does Stacking Magnets Make Them Stronger?

      Explore the fascinating phenomenon of doubled magnetic forces when two magnets are brought together in certain ways.
    110. All About Magnetization Direction

      Understand the concept of magnetization direction and its impact on magnetic properties and applications.
    111. Halbach Arrays II

      Discover advanced applications and variations of Halbach arrays in magnet technology for varying magnetic fields.
    112. Practical Uses of Magnetic Thumbtacks

      Transform your space with magnetic thumbtacks! Ideal for home & office, they are a strong, colorful way to organize without damaging surfaces.
    113. Curve Bullets with a Magnet

      Can strong magnets chagne teh trajectory of a bullet? Find out in our experiment!
    114. iPhone Magnet Pole Detector App

      Learn how to identify different magnetic pole orientations and understand their significance in magnet applications.
    115. Benefits of Plastic & Rubber Coated Magnets

      Explore uses and benefits of plastic & rubber coated magnets for corrosion-free, colorful, and surface-safe solutions in any setting.
    116. Brushless DC Motors

      Learn about the working principles and applications of Brushless DC (BLDC) motors in this comprehensive guide.
    117. Magnetic Mechanisms

      Launch into fun with magnetic mechanisms! Build a catapult or Gauss gun-ideal for educators, hobbyists, and anyone fascinated by magnetism.
    118. The Earth's Magnetic Field

      Explore Earth's Magnetic Field: Its Intensity, Declination, Inclination, and More.
    119. Electromagnetic Levitation

      Electromagnetic Levitation: Dive into the science of magnets lifting objects! Learn how to stabilize objects while levitating.
    120. Magnetic Koozie

      Find out how magnetic koozies can help keep your beverages cold and your hands warm while adding a touch of style to your drinks.
    121. Magnetic Smartphone Mount

      Explore various smartphone mounting options and find the perfect solution for hands-free use in your car or home.
    122. Magnetic Geocache Containers

      Discover the exciting world of geocaching and how to embark on your own treasure-hunting adventure.
    123. How to Rubber Coat Your Own Magnets

      Learn how to rubber coat your own magnets in our full DIY guide.
    124. Induction Stove - Frying Eggs with Magnets

      Spinning magnets fry eggs? Our experiment with eddy currents and a conductive pan reveals a new twist on induction cooking!
    125. Magnetic Spring Pogo Stick

      Discover if magnets can replace springs in pogo sticks in our latest exploration of magnetic repulsion and mechanical innovation.
    126. Raspberry Pi Alarm System

      Build your own Raspberry Pi alarm system! Learn to use magnets and sensors for a DIY, cost-effective home security solution.
    127. 3D Printed Wind Turbine

      Learn how to build a 3D printed wind turbine generator using magnets and coils of wire. Understand the basics of electricity generation with this DIY project.
    128. Can Magnets Clean Dirty Laundry?

      Can magnets replace laundry detergent? We tested it with stained t-shirts. The results may surprise you! Learn the science behind clean laundry.
    129. What are Flux Lines?

      Explore the world of fluxlines and magnetic fields. Understand the strength and direction of magnets through color, arrows, and lines.
    130. Plastic Cup Microphone

      Discover the science behind turning a plastic cup into a microphone. Learn how coils, magnets, and amplifiers come together to capture sound.
    131. Shipping Magnets II

      Shipping Magnets by Air: Stay Compliant with Magnet Field Strength Rules - Learn How to Measure and Ensure Safe Shipping!
    132. Treasure Hunting with Fishing Magnets

      Countless treasures await you to find them. Dive into magnet treasure hunting today in our full article.
    133. Magnetic Car Camping Screens

      DIY Magnetic Car Camping Screens - Keep bugs out while car camping with neodymium magnets. Perfect for summer adventures!
    134. Cheating with Magnetic Dice

      Exploring Magnetic Dice: Can They Be Used for Cheating?
    135. Eddy Current Brakes

      Dive into Eddy Currents: Understanding the Physics and Applications - Learn How Strong Magnets and Conductors Create Slowdown Effects!
    136. Hanging with Magnetic Hooks

      How to hang decorations and more with magnetic hooks. See how strong your hook magnet will be.
    137. Magnet Shear Force with Doors

      Discover the science behind using magnets to hold doors in place, calculate shear forces, and find out how much force is needed for shearing motion.
    138. Magnetic Money Clip

      Crafting Magnetic Money Clips: Avoiding Credit Card Issues and Magnet Selection.
    139. Free Energy

      Explore free energy and perpetual motion, delving into challenges, laws of thermodynamics, history, and the myth of the lone inventor.
    140. DIY Ammeter

      Explore the principles behind magnetic ammeters with our DIY guide on constructing and calibrating devices to measure electrical currents.
    141. Magnetic Pincushion

      Magnetic Pincushion: Choosing the Right Magnet for Convenient Pin Storage.
    142. Magnetic Poles are a Myth

      Debunking magnetic pole myths, exploring magnetization direction, and measuring magnet angles - uncover the secrets behind magnets.
    143. Repelling Magnet Forces

      Uncover the subtle differences in magnet forces when repelling and attracting, essential for precise applications in various projects.
    144. Turning Rocks and Crystals into Fridge Magnets

      Enhance your decor with magnetic rocks and crystals! Perfect for attaching to fridge doors, adding a unique touch with the right magnet strength.
    145. All About Countersunk Magnets

      Maximize utility with countersunk magnets! Ideal for diverse DIY projects-secure, versatile, and easy to install in various applications.
    146. Neodymium Magnet Experiments and Games

      Beat the heat with cool magnet science! Try our top 10 summer experiments and games for kids-perfect for hands-on learning and family fun.
    147. Magnetic Hockey Game

      Create your own magnetic hockey game at home! Fun, easy, and no electricity required-perfect for indoor tournaments and family game nights.
    148. Magnetic Tie

      Revolutionize your formal wear with magnetic bow ties! Securely snap-on your style without a fuss, perfect for quick changes and a sleek look.
    149. Mounting Outdoor Decor with Magnets

      Hang your outdoor decor without damage! Learn to mount banners and lights magnetically - perfect for holidays and all year round.
    150. Cosplay with Magnets

      Learn how to use magnets in cosplay to attach props and take your costume to the next level of authenticity.
    151. Uses for Countersunk Magnets

      Top uses for countersunk magnets from door latches to cabinet closures and more.
    152. Neodymium vs Ceramic Magnets

      Discover how neodymium magnets compare to ceramic magnets in terms of strength, price, temperature resistance and more.
    153. Top Ways to Get Organized with Magnets

      The best ways to use magnets around the house for organization and how to store magnets when not in use.
    154. Build Your Own Magnet Separator

      How to build a magnet separator in 7 easy steps to safely get strong magnets apart.
    155. What Magnet Coating Should I Use?

      Discover the perfect magnet coating for your needs with our in-depth guide on neodymium magnet coatings and their applications.
    156. Magnetic Table Legs

      Magnetic Table Legs: Choosing Magnets and Understanding Pull Force for Secure and Stable Attachment.
    157. DIY Magnetic Chess Board

      Design magnetic chess pieces for vertical boards, a creative DIY project perfect for experimenting with magnet strength and placement.
    158. Is Stainless Steel Magnetic?

      Learn what steels are magnetic and which are not and how steel affects magnet strength.
    159. Magnetic Locks

      Create invisible, magnetic locks for cabinets! These innovative locks are easy to install, offering a sleek, hidden safety solution.
    160. Removable Magnetic Access Panels

      Use magnets for easy-to-remove access panels, combining strong hold and simple removal for convenient maintenance access.
    161. Top 10 Best Uses for Magnets in Kitchen

      Revolutionize your kitchen with magnets! From spice jars to knife holders, discover clever, space-saving magnetic solutions for everyday use.
    162. Magnetic License Plate Holder

      Secure your license plate magnetically-no drilling needed! Perfect for car shows or multi-state drivers. Quick, easy, and car paint-friendly.
    163. How Strong are Fishing Magnets?

      Showcasing the raw strength of fishing magnets through lab testing and real life demonstrations.
    164. Magnetic Fuel Treatment

      Learn about how magnets can be used to treat fuel.
    165. Magnetic Fields

      Learn the basics of magnetic fields and view fields for magnets being used in different applications.
    166. The History of Neodymium Magnets

      Uncover the history of neodymium magnets, from early lodestones to their pivotal role in modern technology and industry.
    167. Making & Repairing Fridge Magnets

      Brighten up your fridge with custom made decorative fridge magnets and repair old magnets that no longer stick!