Paper was invented more than two thousand years ago.
papermaking, paper, manufacture, cellulose, fiber, tree, recycling, wood production, forest destroying, environmental pollution, paper goods, beta-D-glucose, glucose, water, polysaccharide, energy, environment, technology
The building material of the cell walls and fibers of plants.
One of the stereoisomers of D-glucose.
Cellobiose is the basic structural unit of cellulose.
This 3D scene presents the steps of the cement manufacturing process.
Deforestation has a negative impact on the environment.
Life magazine picked Gutenberg's invention of mechanical movable type printing as the most important event of the second millennium.
A compound ion formed when a water molecule releases a proton.
The invention of the ballpoint pen made writing a lot easier.
Machines converting the energy of flowing or falling water into useful forms of power were already in use in the Middle Ages.