electronic inventions of the 21st century?
Improve
hi
As we do not know where you are we do not know who is foreign to you
yes
Antibiotic and antiviral drug resistance, synthetic biology, stem cell therapy, personalized medicine, environmental bio-remediation, environmental bio-terrorism monitoring, agricultural viability, marine versus terrestrial sources of bio-energy, etc., are some non-technological inventions. These inventions are of the 21st century.
nuclear fusion achievement - the source of all abundant energy
why is tourism such an important activity in the 21st century
tourism
Because 21st century is the times related to systems biological times.
There are quite a few timelines that focus on important developments in physics. However, most of these timelines don't begin until at least the 18th century BCE, as there weren't any significant contributions before then. Check out the related links for some of these timelines.
We are in the 21st Century.
the 21st century
~this is the 21st century