Share Your Knowledge!

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What is 15x4?

15x4 is a series of non-commercial science communication events happening in different countries around the world.

We organize free educational meetings, which feature four popular science talks of fifteen minutes each.

Our goal is to promote the idea of science communication and make knowledge more approachable.

Speak out and share your knowledge!

Learn something new

Sit back, learn something new from the fascinating science world and get to know many interesting people, and all this for free!

Get an impression of our previous talks and check out upcoming events.

See events

Develop public speaking skills

Being a speaker in 15x4 means getting to share your knowledge with curious listeners, improving your presentation skills and getting in touch with new science enthusiasts.

We believe anyone can be a good speaker, why don’t give it a try yourself?

Become a speaker

Be part of our team

Do you want to learn how 15x4 works from the inside and be part of it?

Whether you like to organize, help with talks preparation, design or take pictures, we have the right task for you! Any help is highly valued.

Join our international team of driven volunteers who believe in the power of knowledge sharing.

Become a volunteer

Help us share knowledge

Does your organization share our passion for science, technology and knowledge?

Do you want to reach an audience of science enthusiasts and tech geeks?

If your reply is yes, we are very eager to hear from you for a partnership.

Become a partner

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