It’s quite an ego boost to recognize that we’re breathing with the help of star material1 that survived a planetary catastrophe2, spent at least 800
I wanted to do a post about this but soon learned that things get very chemical very quickly. Those two links up above will get you started, if you want to look more deeply into this modern wonder.
Or you can simply sit back and enjoy a short silent movie of someone at Tuffnell Glass fashioning borosilicate glass into something not at all utilitarian – a dragonfly!
Every volcano has its own chemistry. The chemistry of the “pozzolana” ash produced by Italy’s Campi Flegri is especially useful when the pressure builds up.
People have been using clay since the Stone Age, but what exactly is it? Why does clay make such good ceramics? What is clay?
There will just be two guest videos this week. Friday’s will be a wee bit scary, it being Halloween. Today, though, let’s check out a
I love this professor’s ‘do. I also remember walking the White Cliffs of Dover back in 1973 – so beautiful! There’s a lot to