Italian scientists designed a neural network to analyze spectral data from handheld Raman spectroscopy devices.

For one thing, graffiti tied in with a tradition of leftist protest movements that used house walls as the bearers of political messages and had long been present in the cityscape; for another, at the ...

graffiti became a popular way for people to express their feelings about the political climate at the time and artists from all over the world came to contribute to the art on the wall. Taking ...

which is where the Berlin Wall first fell. We then wandered through Mauerpark, which is located along the former wall and is now covered in eclectic graffiti.” “For me, the most poignant part ...

By Lenore T. Adkins The Berlin Wall stood for three decades separating western, democratic areas of Berlin from eastern, ...

The embodiment of the Germany that benefited so much from the open, liberal world after the fall of the Iron Curtain in 1989, ...