Gravity does not have the same value anywhere on earth. As we get closer to the core of the earth, gravity increases. As we move away from the core, gravity decreases, with its average being 9.807m/s2. Is a rocket launch easier at the poles of the earth or at the...
How much toothpaste would an elephant need to brush its teeth? Thanks to the chemical reaction between hydrogen peroxide, a potassium iodide solution and some liquid dish soap, we will create a huge amount of “toothpaste”, enough for an elepha
Is there a limit to the height of the construction that someone can build using a 3D pen? Î’eware! The construction must not fall. The competition of aspiring architects is predicted to be intense.
Solar energy is valuable for electricity generation and can help meet much of human energy needs. The public can build unique, light and fast models that contain solar panels and are powered by solar energy.
This glass was created to convey to the citizens of ancient Samos the message of observance of moderation, equality and justice. The user must respect the limit that is drawn inside the glass. In case the liquid content (wine or water) does not exceed the line, it...