Carbon dating not useful artifacts made metal
She retyped ( in November 2010) the old faded manuscript from 29 years ago in 1981.
“Since the metal gives a much better cutting edge for weapons than copper or bronze, the rulers of the first iron working communities kept their new discovery to themselves, thereby delaying the spread of iron working to other areas of the world.
Initially inspired by the development of batteries, it covers technology in general and includes some interesting little known, or long forgotten, facts as well as a few myths about the development of technology, the science behind it, the context in which it occurred and the deeds of the many personalities, eccentrics and charlatans involved.
"Either you do the work or you get the credit" Yakov Zel'dovich - Russian Astrophysicist Fortunately it is not always true.
Background We think of a battery today as a source of portable power, but it is no exaggeration to say that the battery is one of the most important inventions in the history of mankind.
Volta's pile was at first a technical curiosity but this new electrochemical phenomenon very quickly opened the door to new branches of both physics and chemistry and a myriad of discoveries, inventions and applications.
His parents traced their ancestry to West African royalty.
The tools we use and the things we wear are a big part of what separates us from other animals.
Some objects are archetypal of human civilization all over the world.
At the Black History Month event (pictured above) in the Washington, DC region, many participants stayed afterwards to review documents and artifacts from The Freeman Institute A photo of the huge area in the main hall near the United Nations visitor's entrance at the United Nation's "Transatlantic Slave Trade" exhibit in NYC (March - May, 2011).
Freeman is the keynote speaker at many Black History presentations and cross-cultural competency training events around the world.