Doing anything that requires measurements in nanometers is pretty difficult, and seems like it would require some pretty sophisticated equipment. But when the task at hand is growing oxide layers ...

STEP 1: Light the candle. REMEMBER: lit candles are a fire risk, so make sure you have an adult with you! STEP 3: Add a small teaspoon of bicarbonate of soda. The scientific name for this is ...

Silicon is, after oxygen, the most abundant element of the Earth's crust. But although about 75% of the Earth is made from silica — or silicon dioxide (SiO 2), the main constituent of silicate ...