The Wright Brothers in 1903
who discribed many elements of the modern digital computer ? who discribed many elements of the modern digital computer ?
Louis Blériot
airplane
Afgan
In most modern aircraft they are in the wings.
The modern Periodic Table arranges elements based on properties. These properties include valence electrons of the elements and density for example.
112 elements are known, with the existence of addition 6 elements being tentatively proposed.
The elements are ordered by their mass number.
Hot Air Balloon! Or Airplane, helicopter, etc.
Unless it is an extremely modern aircraft, the pilot switches it on/off.
BODYTIMESPACEENERGYACTION
The Periodic Table has 118 elements and counting...