Science

DIY science is the perfect way to use your creative skills and learn something new. With the right supplies, some determination, and a curious mind, you can create amazing experiments that open up a whole world of possibilities. At home-made laboratories or tech workshops, makers from all backgrounds can explore new ideas by finding ways to study their environment in novel ways – allowing them to make breathtaking discoveries!

Hydrogel is mostly water, but strong as silicone rubber

Hydrogel is mostly water, but strong as silicone rubber

You’re looking at a piece of hydrogel. It is 98% water by weight. It’s moldable, transparent, environmentally friendly, easily synthesized and (get this) if it’s cut it will heal itself. Its creator, Takuzo Aida at the University of Tokyo, has compared it to silicone rubber in terms of strength. And to make it, all you have to do is stir three ingredients into a bunch of water at room temperature. These are sodium polyacrylate, clay, and a special dendritic macromolecule Aida and co-workers call “G3 binder.”

Journal of Serendipitous and Unexpected Results

Journal of Serendipitous and Unexpected Results

This dude is Hans Christian Ørsted, whose 1820 discovery that electric current produced magnetic fields was, supposedly, entirely accidental: He was preparing a voltaic pile for a lecture demonstration and there happened to be a compass lying nearby. He has become a sort of mascot for the Journal of Serendipitous and Unexpected Results (JSUR), a new open-access journal initiative that hopes to provide a forum for life and computer scientists to publish results they lucked into and maybe can’t fully explain. From their website: