One of the most spectacular chemistry demonstrations is also one of the simplest.it's the dehydration of sugar with sulfuric acid. all you have to do to perform this demonstration is to put ordinary table sugar in a glass beaker and to add concentrated sulfuric acid. you will see that the sulfuric acid removes water from the sugar in a highly exoth

Mother's day is approaching and you don't know what to buy to her? what about bath salts with her favourite perfume so she can relax in her bath? ingredients: washing soda plastic bag rolling pin or a heavy glass bottle bowl spoon essential oil (rose, mint, mango, bergamot...) food coloring instructions: put some washing soda into the plastic bag,

Hi there !we are a group of 3 very smart engineers to be, who are going to help you impress your friends and familly with amazing knowledge about cooking science ! hope you'll enjoy !

Gallium spoon melting ! to make this trick you just need a very pure gallium spoon (99.99% pure !) easily obtained by gallium and spoon molds. then put it into not concentrated acid... but just hot water ! and you will see the spoon melts to a liquid puddle in only few seconds ! explanations : the melting point of the gallium is very low : less tha

Yeast-air balloon

Engineer explanation: people usually says that engineers are introverted nerds. obviously it isn't true!

Do you want to know why you feel hotter when you are wearing a black t-shirt than a clearer one ? let's have a small experiment! ingredients: 2 glasses water white and black paper thermoter scotch instructions: wrap a rectangle of paper around each glass and hold it with scotch or an elastic and pour the same quantity of water in them. put the both

Triboluminescence is a phenomenon which appears when two pieces of a special material (sugar crystal for example) are stricken . you can observe it with the lifesavers candy because it's a sugar crystal. let's explain the phenomenon scientifically ! stressing the crystal by biting into the candy makes the positive and negative charges separated, cr

Imagine yourself in a couple of years... you won't suffer from your back because of carrying heavy stuffs, you won't be tired because of cleaning your house all day long, you won't be spending your time doing household chores anymore... thanks to robots. this topic so interested that i wanted to exchange my viewpoint with you about this amazing mov

Do you want to impress your colleagues in your lab between two experiments ? with hydrogenperoxyde (30%), potassium iodate, malonic acid, manganese (ii) sulfate monohydrate, sulfuric acid and starch, you can transform your beaker into a spotlight changing color as in discotheque ! in fact, you first have to prepare three different solutions : solut