"We are the first in the world to present a logic circuit, in this case a transistor, that is controlled by a heat signal instead of an electrical signal," states Professor Xavier Crispin of the Laboratory of Organic Electronics, Linköping University.
Pollution from the controlled fires that burn across Brazil's São Paulo state during the sugarcane-harvesting season has a negative impact on infant health nearby. But the health of those same infants likely benefits from the economic opportunities the fires …