Giving up single-use plastic products like straws and drinks bottles is an admirable thing to do, but is not particularly convenient, especially when it comes to drinks containers. A solid, re-usable plastic or aluminium bottle is the only alternative but means carrying it around in your hand all day or making sure you always have a bag big enough to carry it in.
This becomes even less convenient after you’ve finished the drink and before refilling it as the bottle then becomes a hollow cylinder that takes up space needlessly. What’s more, if you’ve finished your drink it’s relatively easy to forget about it and leave it behind, which doesn’t exactly help the cause.
The challenge this month then is to come up with a reusable drinks bottle that is also easy to carry around. Your product could include revolutionary material innovations or some kind of inventive mechanical properties. Whatever you come up with it must be lightweight, reusable, easy to carry around when hiking, camping, travelling or spending time in the gym, and 100% recyclable.
The idea we have in mind will be revealed in the June issue of Eureka! Until then see what you can come up with. Submit your ideas by leaving a comment on the Coffee Time Challenge section of the Eureka! website or by emailing the editor: email@example.com
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Coffee Time Challenge is just a bit of fun, but it is based on a real engineering solution. If you send in your ideas by using the
comment button below, we can add your solution as an alternative – perhaps something funny, practical, cheap or, of course,