Figure 2d: Changeable Pen Tip (IMAGE) Waseda University Caption Visual result of changing solvent application pen: d-1 shows how better-fitting pen tip preserves intended surface detail for more accurate result than larger one (d-2). Credit Waseda University Usage Restrictions with credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.