breaking news

Earliest usage of glue adhesives

November 28th, 2013 | by heritagedaily

didyouknow5

The earliest use of adhesives was discovered in Italy. At this site, two stone flakes partially covered with birch-bark-tar and a third uncovered stone from the Middle Pleistocene era (circa 200,000 years ago) were found. This is thought to be the oldest discovered human use of tar hafted stones.

Souce

© Copyright 2013 HeritageDaily - Heritage & Archaeology News
Share on Facebook3Tweet about this on Twitter0Share on Reddit0Share on TumblrShare on Google+0Share on LinkedIn0Digg thisShare on StumbleUpon0Email this to someonePrint this page