A candle flame is composed of three distinct zones: the core, the luminous zone, and the outer shell. The core of the flame is the...
Fireworks produce light through an exothermic chemical reaction called combustion. When the fireworks are ignited, the chemical components inside react violently and release energy in...
The pigments present in paint are substances that absorb certain colors of light while reflecting others. When white light hits them, pigments absorb certain wavelengths...
A soap bubble is mainly composed of water, detergent, and air. Water makes up the liquid inside the bubble, while the detergent helps reduce the...
Why do radioactive cells glow? Radioactive cells can glow in the dark due to the phenomenon of radioactive luminescence. This process is related to the...
The Mpemba paradox is named after Erasto Mpemba, a Tanzanian student who first observed this phenomenon in 1963. He noticed that under certain conditions, hot...
Peppers are foods that cause a burning sensation on the tongue and in the mouth. This sensation is due to the presence of capsaicin, a...
Glass is a solid, amorphous and transparent material, mainly composed of silicon dioxide (SiO2) and other additives that give it specific properties. Its molecular structure...
Marie Curie, born Maria Skłodowska in 1867 in Warsaw, Poland, showed exceptional aptitude for science at an early age. Raised in an academic environment, she...
The formation of steam bubbles during the boiling of water is a fascinating phenomenon and essential to understand. When the water temperature reaches its boiling...