Latest Composite material Stories
For 75 years Empa has been conducting research on all aspects relating to wood. Beginning with an investigation into the properties of various types of indigenous woods, today this has grown into a research area with many branches – from fundamental research on the structure of wood to chemically or biologically modified woods, novel wood fiber products and surface technologies.
- A handkerchief.
- Specifically— The legendary sweat-cloth; the handkerchief of St. Veronica, according to tradition miraculously impressed with the mask of Christ; also, the napkin about Christ's head (Johu xx. 7).
- In general, any miraculous portrait of Christ.