The next step in making liquid oxygen is cooling it ... While we’ve seen a few attempts to make liquid nitrogen before, this might be the first time we’ve seen anyone make liquid oxygen.

What happens when you put liquid nitrogen under a vacuum? Well, it should evaporate more, get colder, and freeze. Then it breaks up into solid nitrogen snow. No idea what you would do with this ...

Ukraine’s F-16 fighter jets are now attacking Russian ground targets Scientists create next-gen 3D-printed robots that run without electronics The World's Weirdest Pringles Flavors, Ranked ...

To get the best out of your tomato and strawberry plants this summer, fertiliser is a must. However, gardeners needn't rely on shop-bought stuff as some natural scrap items can help them do the job.