An international team of researchers led by Aalto University have come up with a concept of writing and displaying information on surfaces using simply air and water. The researchers are using an interesting property of superhydrophobic surfaces when they are submerged into water. The microscopic structures on their surface prevent the water from contact with… »

Cambridge scientists have discovered a way of mimicking the vivid and beautiful colors found on the wings of tropical butterflies in order to lessen the frauds in the future and enhance the security in the printing industry. The findings could find important applications in the security printing industry, helping to make bank notes and credit… »