EVERY DAY DURING Maths Week, we came up with a little puzzle to wreck your head.

And the scientists of Ireland wanted in. So to celebrate Science Week, which launched yesterday, we have a different brainteaser for you every day this week.

We’ll start you off with an easy one:

You have a string-like fuse that burns in exactly one minute. The fuse is inhomogeneous, and it may burn slowly at first, then quickly, then slowly, and so on. You have a match, and no watch.How do you measure exactly 30 seconds?

Answers will be revealed on Friday. But if you want to start a discussion, feel free to leave your answers in the comments section.

These handy tips will help develop your child’s maths skills (without them knowing it)>

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Science Week: A question to tease your brain on a Monday night

These handy tips will help develop your child’s maths skills (without them knowing it)>

Making a difference

A mix of advertising and supporting contributions helps keep paywalls away from valuable information like this article. Over 5,000 readers like you have already stepped up and support us with a monthly payment or a once-off donation.