Come see the world's largest and highest powered magnet lab during our FREE annual event that features fun for visitors of every age: hands-on demonstrations, self-guided tours of our fleet of world-record magnets, delicious food, and the chance to interact with our expert scientists. Get an up-close look at the world's strongest magnet - the 45 tesla hybrid - where there will be special demonstrations and performances throughout the day.

This year's theme - TIME - aligns with the MagLab's 25th anniversary and celebrates science past, present and future. Special time-themed experiences only available this year include the ability to turn back time with a laminar flow demonstration, timed radar races, crystals as timekeepers, ancient geological samples, and some special Dr. Who-inspired demos. We'll also have a travel through time scavenger hunt and a time vault where you can predict the future.

With information and activities targeting a variety of ages, this event has become a popular family outing and is a can't-miss opportunity to show children how fun science can be. That doesn't mean the fun and learning are over once our visitors leave. We've been busy building up online demonstrations of some of what you'll see at Open House, so you can extend and apply what you've learned long after the day's over.

Image Gallery: 2019 Open House

• That's a moiré! Performance That's a moiré! Performance
• Potato Gun Reaction Potato Gun Reaction
• Molecular Cuisine Science Molecular Cuisine Science
• That's a moiré! Reactions That's a moiré! Reactions
• Frozen Nitro Flowers Family Group Frozen Nitro Flowers Family Group
• Junkyard Smiles Junkyard Smiles
• Molecular Cuisine Actions Molecular Cuisine Actions
• Nitrogen Frozen Flowers Nitrogen Frozen Flowers
• Joy's of slime Joy's of slime
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2017 Open House by the Numbers