Make a self-infl ating balloon

This has been one of my most enjoyable delicious. experiments to date. As a life-long vinegar fan, my motto has always been: salt and vinegar, not salt and pepper. I love pepper, but it’s a spice, a f

Three things to make and do

Carbon dioxide is a bit of a problem, what with changing the climate and all. But what if we had batteries that could not only trap this problematic gas, but also store renewable energy? That is exact

Practical projects to try at home

How surface tension plays a big role in keeping soap bubbles spherical

Worth £159.99! 2 to give away ...