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Magnetic Shielding Materials

Learn how magnetic shielding works, which materials are most effective, and how thickness affects a shield's ability to redirect magnetic fields.

2/1/2010
Surface Fields 101

Learn why a magnet's surface field depends more on its shape and thickness than its overall size, and why larger magnets can show lower surface field values.

3/1/2010
Which Pole Is North?

Use simple tools like pole identifiers, marked magnets, or a compass to quickly determine which side of a magnet is its north or south pole.

4/1/2010
How Much Will a Magnet Hold?

How much weight can a magnet really hold - and why does it change so much depending on how you use it?

5/1/2010
Sticky Business - How to Glue Neodymium Magnets

How to properly glue neodymium magnets, including surface preparation, adhesive choices, and common mistakes to avoid.

6/1/2010
Magnetic Knife Holder

Learn how to build a magnetic knife holder using neodymium magnets, including magnet sizing, wood thickness considerations, and step-by-step construction tips.

7/1/2010
Temperature and Neodymium Magnets

Understand how temperature affects neodymium magnets-why heat can weaken them, how shape changes their limits, and how special grades survive extreme environments.

8/1/2010
Can you Wipe a Hard Drive Using Magnets?

See what happens when powerful neodymium magnets are used in an attempt to erase data from a hard drive-and why the results might surprise you.

9/1/2010
Reed Switches and Hall Effect Sensors

Learn how to choose magnets for reed switches and Hall effect sensors, including proper orientation, field strength, and real-world design tolerances.

10/1/2010
Pacemaker Safety around Magnets

Examines how magnetic fields from neodymium magnets relate to pacemaker safety and how distance affects potential interference.

11/1/2010
How to Sew Magnets into Fabric

Use sew-in magnets to create hidden magnetic clasps in clothing, bags, and accessories for a clean, quiet alternative to snaps or Velcro.

12/1/2010
Magnet Basics

Learn the basics of how magnets work, why they attract or repel, how pull force is measured, and how to magnetize simple steel tools.

1/1/2011
How Neodymium Magnets are Made

How are powerful neodymium magnets actually made?

2/1/2011
Calculating Steel Thickness for Neodymium Magnets

Learn how steel plate thickness affects magnet pull force and why thin steel can significantly reduce holding strength.

3/1/2011
Hanging Art on a Wall with Magnets

Learn several practical ways to hang artwork using magnets, including magnet-to-magnet mounts, magnetic sandwiches, and adhesive-backed magnets.

5/1/2011
Magnetic Pole Climbing Robot

Magnets can help robots climb steel poles by creating enough magnetic pull and friction to prevent sliding or rotating while the robot moves upward.

6/1/2011
Finding and Identifying Magnetic Meteorites

Discover how magnets help locate and identify meteorites, what types of magnets work best, and how to avoid damaging a meteorite's natural magnetic record while hunting.

7/1/2011
Magnetic Paint

Magnetic paint can turn any wall into a magnet-friendly surface, but even strong magnets only stick lightly unless multiple coats are applied.

8/1/2011
Magnetic Shake Flashlight

How can simply shaking a magnet through a coil generate enough electricity to power a flashlight?

9/1/2011
Making Speakers with Neodymium Magnets

How do speakers actually make sound? Discover how magnets power speakers and see how to build your own simple version.

10/1/2011
Shipping Magnets: Essential Rules & Safety Guidelines

Learn how to safely ship powerful neodymium magnets by air and estimate their magnetic field without expensive equipment.

11/1/2011
Diamagnetism and Levitation

Learn how diamagnetic materials like pyrolytic graphite can stabilize a floating magnet and enable simple magnetic levitation experiments.

12/1/2011
Calculator to Measure Magnet Field Strength in a Gap

The Magnet Gap Calculator helps estimate the magnetic field strength created between two magnets separated by a small gap.

1/1/2012
Gauss Guns

Build a Gauss gun with magnets and steel balls and see how magnetic attraction can accelerate and launch a ball at surprising speeds.

2/1/2012
Eddy Currents

A changing magnetic field from a magnet can induce circulating electrical currents in conductive metals like aluminum and copper, creating forces that resist motion.

3/1/2012
Magnet Grades

What do N grade numbers mean? How does the grade relate to the strength of a magnet? Does a magnet have a Gauss number?

4/1/2012
Superconductor Levitation

See how superconductors cooled with liquid nitrogen can levitate magnets through the Meissner effect and flux pinning, creating stable magnetic levitation.

5/1/2012
How to Separate Strong Magnets

Neodymium magnets are extremely strong and brittle, and separating them safely requires leverage, lateral motion, and sometimes specialized tools depending on their size and pull force.

6/1/2012
Magnetic Water Treatment

Explore whether magnetic water treatment really softens hard water-and see which magnets actually make a difference in reducing scale buildup!

7/1/2012
Maglev Trains

See how a simple maglev train demonstration works using repelling magnets, and why stability challenges make magnetic levitation harder than it first appears.

8/1/2012
Magnetic Closures Using Adhesive Backed Magnets

How can tiny adhesive-backed magnets create clean, hidden closures for folders, boxes, and other projects in seconds?

9/1/2012
Stirring with Magnetic Bars

How can a tiny magnet spin inside a sealed container and stir liquids without any moving parts entering the vessel?

10/1/2012
Magnetic Forces

Why do magnets sometimes twist and rotate instead of just attracting or repelling?

11/1/2012
Magnetic Signs for Cars and Vehicles

Want to mount a sign on your car with magnets? Here's how to pick the right magnets and spacing so it stays put-even at highway speeds.

12/1/2012
Homopolar Motors

Can a battery, wire, and magnet create a simple motor that spins on its own?

1/1/2013
Guide to Aquarium Magnets

How can magnets hold equipment, coral, or shelves inside an aquarium without drilling holes in the tank?

2/1/2013
Halbach Arrays

Explore how Halbach arrays concentrate magnetic fields on one side, how to build one, and where these unique magnet configurations are used in real-world applications.

3/1/2013
The Earth Is a Magnet

Learn how Earth acts like a giant magnet, why compasses point north, and how magnets can reveal the shape and direction of Earth's magnetic field.

4/1/2013
Magnetic Spice Jars

Curious how to make spice jars stick to your fridge? Discover which magnets work best and how to build your own magnetic spice rack.

5/1/2013
The Advantages of Mounting Magnets

Learn how mounting magnets work, why the steel cup design increases pull force, and when they're better than using a plain magnet.

6/1/2013
Leverage & Friction When Using Magnets

How leverage and friction affect the real holding strength of magnets used on vertical surfaces.

7/1/2013
Pseudo Levitation with Magnets

Learn how to create a pseudo-levitating Mendocino motor with neodymium magnets to see magnetic levitation and motor principles in action.

8/1/2013
Mendocino Motors

Curious how a magnetically levitated, solar-powered motor works? See how the Mendocino motor uses magnets, coils, and solar panels to spin with almost no friction.

9/1/2013
iPhone Magnetic Measurements

Curious how your iPhone can sense magnets? Learn how smartphone magnetometers detect the Earth's field, find north, spot magnet poles, and even help estimate if a package meets air-shipping rules!

10/1/2013
Strange Properties of Magnets

Explore some surprising behaviors of magnets-from stronger fields at the edges to cases where like poles can actually attract under certain conditions.

11/1/2013
Does Stacking Magnets Make Them Stronger?

Learn whether repelling magnets double the force and how stacking magnets changes pull strength.

12/1/2013
All About Magnetization Direction

Learn what magnetization direction means, the difference between axial and diametric magnets, and why it matters for magnet performance and sensors.

1/1/2014
Fun with Magnet Fidget Toys

Magnetic fidget toys are smooth hematite magnets that snap, buzz, whistle, and slide together in satisfying ways, making them endlessly fun to play with.

2/1/2014
Credit Cards and Magnetic Stripes

Learn how strong magnets affect credit cards, how close magnets can safely be to magnetic stripes, and what it takes to erase card data.

3/1/2014
Magnetic Cereal

Discover how strong magnets can reveal the tiny particles of iron added to fortified breakfast cereals through a simple hands-on experiment.

4/1/2014
Magnetic Bottle Opener

Learn how to use magnets behind a wall-mounted bottle opener to catch and hold falling bottle caps.

5/1/2014
How to Make Your Own Magnetometer

Build your own $10 magnetometer to measure and visualize the invisible strength and direction of magnetic fields with a simple Hall Effect sensor!

6/1/2014
Magnetic Grates

How do magnetic grates use stacked magnets to capture tiny metal contaminants from flowing materials?

7/1/2014
Eddy Current Magnetic Separation

Magnets can remove ferromagnetic metals like steel, while eddy currents can push conductive metals like aluminum and copper away from other materials for separation.

8/1/2014
Why are Magnets Shaped like Horseshoes?

Learn why traditional magnets were shaped like horseshoes, how the design prevents demagnetization, and why modern neodymium magnets don't need this shape.

9/1/2014
Emergency Magnet Separation

See how an emergency magnet separator can safely pull apart powerful magnets if someone's hand becomes trapped between them.

10/1/2014
Magnets Are Everywhere

From fridge hooks to hard drives, speakers, and motors, magnets quietly power, hold, and organize nearly everything in your home.

11/1/2014
Google Cardboard

See how Google Cardboard uses a simple sliding magnet and a smartphone's internal magnetometer to create a touch-free input switch for its DIY virtual reality headset.

12/1/2014
How to Paint Neodymium Magnets

Learn how to paint neodymium magnets, what preparation helps paint stick to the nickel surface, and how coatings may slightly affect magnetic strength.

1/1/2015
Hanging Christmas Wreaths and Decor with Magnets

Can magnets really hang a Christmas wreath on your door-and how strong do they need to be?

2/1/2015
How to Choose Magnets for Dry-Erase Boards

Discover how to use the right magnets to make your whiteboard, glass board, or DIY shelf hold papers, markers, and gadgets securely without sliding or tipping!

3/1/2015
Finding Studs with Magnets

Learn how to find wall studs using magnets, which magnet types work best, and how to locate studs in thicker or harder-to-detect walls.

4/1/2015
Hanging Big Posters with Magnets

Learn how many magnets it takes to hang a large poster on a wall using adhesive-backed magnets without making holes.

5/1/2015
Fishing Wires Through Walls with Magnets

Learn how to fish wires through walls using neodymium magnets to easily guide cables even through insulation.

6/1/2015
Magnets with an OFF Switch

Learn why permanent magnets can't be switched off and how special magnetic assemblies can redirect the field to create an on/off effect.

7/1/2015
Electromagnet Demonstration

Learn how to build a simple electromagnet with magnet wire and how coil turns, current, and core material affect magnetic strength.

8/1/2015
Magnetic Pins and Brooches

Learn how magnetic pins and brooches work, which magnets hold best through different fabrics, and how to make your own without damaging clothing.

9/1/2015
Neodymium Electric Guitar Pickups

See how K&J uses powerful neodymium magnets to build a custom electric guitar pickup from scratch, revealing the science, tricks, and surprising insights behind crafting tone-perfect pickups!

10/1/2015
Magnet Fishing

Discover the thrill of magnet fishing-using powerful magnets to pull hidden metal treasures from lakes, rivers, and docks.

11/1/2015
Educational Experiments with Magnets

Explore a collection of engaging classroom science demonstrations-from simple compasses and magnetic motors to levitation, electromagnets, and eddy current experiments.

12/1/2015
Magnet Cannon

Explores how certain magnet arrangements can propel a magnet down a track and explains the magnetic forces behind this "magnet cannon" effect.

1/1/2016
Magnet Car with AA Battery

Build a simple magnet-powered car using a battery, magnets, and aluminum foil, and see how electric current and magnetic fields create motion.

2/1/2016
Making a Magnetic Light Switch

Can you hide powerful magnets behind a light switch to turn it into a simple key holder?

3/1/2016
Magnetic Belt Clips

Designing a magnetic belt clip freveals why magnet strength alone isn't enough-friction, direction, and smart design matter.

4/1/2016
Measuring Earthquakes with a Seismometer

A simple DIY seismometer made from a slinky, magnets, and an Arduino can detect earthquakes-and even volcanic eruptions-from thousands of miles away.

5/1/2016
Remagnetizing Flexible Fridge Magnets

Learn how flexible refrigerator magnets can be re-magnetized using neodymium magnets and why alternating magnetic patterns make them stick better.

6/1/2016
Using Magnets for Miniatures

Small neodymium magnets and steel balls can be used to modify tabletop miniatures, letting them tilt and pose dynamically instead of being fixed in place.

7/1/2016
How to Make Magnetic Closures

Learn several ways to make magnetic cabinet closures using adhesive magnets, inset magnets, or mounting magnets for stronger holds.

8/1/2016
Remagnetizing and Fixing Ceramic Magnets

Learn how to restore a weak ceramic magnet or upgrade it by replacing it with a stronger neodymium magnet for better performance.

9/1/2016
Solar Powered Motors

Can sunlight, magnets, and a coil of wire really make a motor spin with no batteries at all?

10/1/2016
Magnetic Couplers Powering a Boat

How can magnets spin a boat's propeller through the hull without drilling a hole in it?

11/1/2016
Simple Magnetic Coil Train

How can a simple AA battery and two magnets turn a coil of copper wire into a tiny electric train?

12/1/2016
Hanging with Rubber Mounting Magnets

Learn how rubber-coated mounting magnets make it easy to hang frames, decorations, and even blinds on steel surfaces without sliding or damaging them.

1/1/2017
Magnets vs. Steel

Compare magnet-to-magnet and magnet-to-steel setups to understand how cost, alignment behavior, gaps, and steel thickness affect the holding strength of magnetic connections.

2/1/2017
The Simplest Motor

Build one of the simplest electric motors using a battery, magnet, wire coil, and paperclips to see how basic electromagnetic forces create motion.

3/1/2017
DIY: Build Your Own Seismometer

A homemade magnet-and-slinky seismometer detected earthquakes from around the world-but also picked up spiders, temperature swings, and other surprising sources of "seismic" noise.

5/1/2017
Magnet Strength Side By Side

Learn how placing two magnets side-by-side affects pull force, and how spacing and pole orientation change the results.

6/1/2017
Guide to Measuring Magnetic Strength

Learn why magnetometer readings can appear lower than a magnet's listed surface field and what factors affect accurate magnetic field measurements.

7/1/2017
Viewing Magnetic Fields

Can you actually see the invisible patterns of a magnetic field?

8/1/2017
Does Steel Block or Improve Magnetic Strength?

Does steel block a magnetic field or extend it farther?

9/1/2017
Magnetic Doorstops

How strong should a magnet be to hold a door open without making it too hard to pull closed?

10/1/2017
Electromagnetic Levitation

Learn how electromagnetic levitation works, why permanent magnets alone can't levitate stably, and how sensors and electromagnets make it possible.

11/1/2017
Levitating Top

How can a spinning magnet top actually levitate above other magnets without flying off or snapping together?

12/1/2017
Magnetic Office Decor

How can a few magnets turn ordinary office items like racks, whiteboards, and key holders into easy magnetic upgrades?

1/1/2018
Breaking Magnets

Why do powerful neodymium magnets break so easily when they snap together?

2/1/2018
iPhone Magnet Pole Detector App

Use your iPhone's magnetic sensor to identify the north and south poles of a magnet with the free K&J Pole ID app.

3/1/2018
MuMETAL

Discover when to use steel or MuMETAL to block magnetic fields and why the strongest magnets don't always need the fanciest shielding.

4/1/2018
Magnet Sweeper

Build a magnetic sweeper to quickly pick up nails and metal debris, and learn how magnet size, distance, and orientation affect its performance.

5/1/2018
Circular Halbach Arrays

Explore how circular Halbach arrays use carefully rotated magnets to create strong, uniform magnetic fields inside a ring without requiring any electrical power.

6/1/2018
Curving Bullets with a Magnet

Explore whether powerful magnets can bend a bullet's path-and why it usually doesn't work except under special conditions.

7/1/2018
Making a Magnetic Koozie

Keep your drink within reach-literally-by turning a koozie into a magnetic cup holder that sticks to any metal surface!

8/1/2018
Magnetic Smartphone Mount

Find out whether magnets can interfere with smartphone sensors and what to consider when using magnets to mount a phone in your car.

9/1/2018
Magnetic Geocache Containers

Creative DIY geocaches you can hide with powerful magnets-logs, bolts, or even electrical boxes that stick in plain sight!

10/1/2018
Brushless DC Motors

How can a few magnets, a coil of wire, and a simple sensor work together to create a spinning brushless DC motor?

12/1/2018
DIY Magnetic Induction Stove - Frying Eggs with Magnets

Curious if spinning magnets can cook? Watch as a DIY Halbach array generates eddy currents to fry an egg-science you can almost eat!

1/1/2019
Magnetic Spring Pogo Stick

Curious if magnets can replace a pogo stick's spring? We tested repelling neodymium magnets and found they just can't match a real spring's smooth, powerful bounce.

2/1/2019
Raspberry Pi Alarm System

Can a simple magnet and reed switch turn a Raspberry Pi into a DIY door alarm?

3/1/2019
3D Printed Magnetic Wind Turbine

Learn how to turn magnets and coils into a small 3D-printed wind turbine generator that lights an LED and demonstrates the principles of electricity generation.

4/1/2019
Can Magnets Clean Dirty Laundry?

An experiment testing whether magnets can clean laundry found that magnets alone had no noticeable effect-detergent was still necessary to remove stains effectively.

5/1/2019
Plastic Cup Microphone

See how reversing a simple magnet-and-coil speaker setup can create a DIY microphone, demonstrating how motion in a magnetic field can generate an electrical signal.

6/1/2019
What are Magnetic Flux Lines?

What do those curved "flux lines" around a magnet actually represent-and what can they tell you about the magnetic field?

7/1/2019
Treasure Hunting with Fishing Magnets

How can a simple magnet turn rivers, lakes, and even old wells into hidden treasure hunts?

8/1/2019
Magnetic Car Window Screens for Camping

Learn how to make DIY magnetic car camping screens that keep bugs out while letting you enjoy fresh air.

9/1/2019
Cheating with Magnetic Dice

Test whether magnets hidden inside dice can bias rolls and explore how external magnetic fields could influence the outcome.

10/1/2019
Eddy Current Brakes

Why do magnets fall slowly near aluminum - and can we actually calculate the braking force created by eddy currents?

11/1/2019
Taking Magnets on an Airplane

Learn how to safely ship strong magnets by air and see clever DIY ways to measure their magnetic field without expensive equipment!

12/1/2019
Hanging with Magnetic Hooks

Learn how to hang decorations, tools, and household items using magnetic hooks on walls, ceilings, doors, glass, and more.

1/1/2020
Magnetic Poles are a Myth

Explore how magnets really work by examining magnetic domains, why broken magnets still have two poles, and how precisely a magnet's magnetization direction is aligned.

2/1/2020
Magnet Shear Force with Doors

Explores how much force is required to slide two attracting magnets sideways and how shear force compares to their normal pull force.

3/1/2020
Magnetic Money Clip

Can a pair of magnets really replace a traditional money clip-and hold your cash without wiping your credit cards?

4/1/2020
Can Magnets Rust?

Rust can destroy a neodymium magnet surprisingly fast - so how well do different coatings actually protect it?

5/1/2020
Is Free Energy Obtainable Using Magnets?

Can magnets really create free energy - or is perpetual motion just a physics myth?

6/1/2020
DIY Ammeter

See how magnetic fields from electric current can deflect a magnet, allowing you to build a simple DIY ammeter using coils of wire and neodymium magnets.

7/1/2020
Magnetic Table Legs

Discover why using magnets to attach table legs is trickier than you think and how combining magnetic pull with clever mechanical design keeps furniture stable and safe.

8/1/2020
Is Stainless Steel Magnetic?

Learn which types of stainless steel magnets will stick to and why some stainless steels are magnetic while others are not.

9/1/2020
Magnetic Pincushion

Learn how different magnet shapes affect how pins gather, and how to design a magnetic pincushion that's strong enough to hold pins but easy to use.

10/1/2020
Magnetic Tensegrity Table

Explore whether magnets can replace the strings in a tensegrity table and why Earnshaw's theorem prevents a stable all-magnetic version from working.

11/1/2020
Magnetic Dipole Moment

Learn what magnetic dipole moment means, how it relates to torque in a magnetic field, and when the dipole model accurately predicts a magnet's field.

12/1/2020
Red October - Magnetohydrodynamic Drives

Could a submarine really be powered by magnets and electricity with no moving parts?

1/1/2021
Re-Magnetizing Refrigerator Seals

Learn how refrigerator door seals use flexible magnets, why strong neodymium magnets can damage them, and whether remagnetizing a seal is possible.

2/1/2021
Repelling Magnet Forces

Examines whether repelling magnets exert the same force as attracting magnets and why repulsion is often slightly weaker.

3/1/2021
DIY Magnetic Chess Board

Build a magnetic chess board and see how prototyping different magnet sizes helps determine the right pull force to keep pieces securely on a vertical surface.

4/1/2021
Magnetic Screen Doors

Learn how to build a magnetically closing screen door and choose magnets that balance easy walkthrough with reliable closure.

5/1/2021
Magnetic Locks

Learn how magnetic cabinet locks work and how a magnet key can unlock them through a door or drawer.

6/1/2021
DIY Magnetic Lock

Learn how to build simple hidden magnetic locks using sliding or rotating latch designs.

7/1/2021
Removable Magnetic Access Panels

What magnets are strong enough to hold an access panel-but still easy to remove when you need to open it?

8/1/2021
Dent Removal with Magnets

Magnets can be a great way to remove dents from malleable surfaces, like brass. We did some experimenting to find out when this is possible, and what you can use.

9/1/2021
Magnetic Gears

Using magnets to create a gear assembly

10/1/2021
Turning Rocks and Crystals into Fridge Magnets

Learn how to turn rocks and crystals into stylish fridge magnets using the right neodymium magnets and friction tips.

11/1/2021
How Strong are Fishing Magnets?

How strong are fishing magnets really, and what actually affects what they can pull from the water?

12/1/2021
Magnetic Trains

Making our own magnetic train set, then turning it into a MagLev train set!

1/1/2022
Magnetic Tool Holders

Use magnets to organize tools with DIY ideas like magnetic drawer liners, wall-mounted tool boards, and magnetic holder blocks.

2/1/2022
All About Countersunk Magnets

Learn how countersunk magnets work, when to use them, and how to avoid breaking them when tightening screws.

3/1/2022
Top 10 Best Uses for Magnets in Kitchen

Explore 10 smart ways to use magnets in your kitchen-from spice jars and knife holders to bottle openers and hooks that keep your kitchen organized.

4/1/2022
Magnetic Mechanisms

What happens when you replace springs and counterweights with powerful magnets in catapults, Gauss guns, and other mechanisms?

5/1/2022
Magnetic License Plate Holder

Discover how strong neodymium magnets can securely hold a license plate-or even a camera-without drilling a single hole in your car!

6/1/2022
Neodymium Magnet Experiments and Games

A collection of simple magnet experiments and games that demonstrate interesting magnetic effects you can try at home.

7/1/2022
Magnetic Hockey Game

Build your own magnetic hockey table with DIY magnets, slide pieces under the board, and turn any tabletop into a fast-paced, unplugged game!

8/1/2022
Magnetic Ties and Bowties

Making a magnetic bow tie and other dress accessories!

9/1/2022
Hanging Outdoor Decor with Magnets

Learn clever ways to hang banners, lights, TVs, and holiday decorations using powerful magnets-no drilling required.

10/1/2022
Building a Battery-Powered Magnet Car

Build a simple battery-powered magnet car and see how electric current and magnetic fields create motion.

11/1/2022
Cosplay with Magnets

How can magnets be hidden in costumes to hold shields, swords, and other props securely in place?

12/1/2022
Uses for Countersunk Magnets

Discover how countersunk magnets are used to securely mount magnets with screws for projects like tool holders, cabinet latches, removable panels, and DIY builds.

1/1/2023
Neodymium vs Ceramic Magnets

Ceramic or neodymium magnets - which one actually performs better for real-world applications?

2/1/2023
Top Ways to Get Organized with Magnets

Magnet hacks to organize your home, office, and safely store your neodymium collection.

3/1/2023
Magnetic Fields

Explores the basics of magnetic fields and shows how different environments and magnet arrangements change their shape and strength.

4/1/2023
Practical Uses of Magnetic Thumbtacks

See how magnetic thumbtacks can transform your home or office, holding papers, posters, and even serving as a stud finder, all without damaging surfaces!

5/1/2023
Benefits of Plastic & Rubber Coated Magnets

Learn why plastic and rubber coated magnets are useful for corrosion resistance, durability, surface protection, and improved grip in real-world applications.

6/1/2023
How to Rubber Coat Your Own Magnets

Learn how to rubber coat your own neodymium magnets with this simple DIY guide using Plasti-Dip for added protection, grip, and durability.

7/1/2023
What Magnet Coating Should I Use?

Find the best magnet coating for your application.

8/1/2023
Build Your Own Magnet Separator

Build a simple magnet separator tool with basic materials to safely separate strong neodymium magnets.

9/1/2023
Magnetic Fuel Treatment

Do magnets clamped around a fuel line actually improve gas mileage-or is it just a myth?

10/1/2023
The Earth's Magnetic Field

Explore how Earth's magnetic field bends, tilts, and flows across the globe with interactive 3D visualizations showing intensity, declination, inclination, and northward field lines!

11/1/2023
The History of Neodymium Magnets

How did we go from naturally magnetic rocks to the powerful neodymium magnets used in modern technology today?

1/1/2024
Making & Repairing Fridge Magnets

Learn how to make your own fridge magnets DIY and also avoid common mistakes to increase magnet strength.

7/18/2024
Choosing the Best Fridge Magnets

Find the best fridge magnets for photos, lists, or decor without scratches. Top mistakes to avoid when using fridge magnets.

9/25/2024
What is Magnetic Separation?

What is magnetic separation and where is it used? See how magnets remove metal contaminants in food, recycling, mining & more.

12/11/2024
What Are Neodymium Magnets?

What is neodymium and why is it used in the world's strongest magnets? Explore the history, grades, and surprising uses of neodymium magnets.

3/25/2025
Testing Magnet Strength

Learn how magnets are tested, the best testing conditions and what pull force 1, 2, 3 and 4 mean.

9/5/2025
Why Do Magnets Lose Strength?

Do magnets get weaker over time? Why doesn't my magnet stick anymore?

11/13/2025
Making Magnetic Art Sculptures

DIY guide to making cool magnetic art sculptures with neodymium magnets

11/26/2025

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