Plastic usually does not conduct electricity, but at the end of the 1970s Alan MacDiarmid, Alan Heeger, and Hideki Shirakawa demonstrated that it is possible to produce conductive polymers.
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...