Ephialtes was the twin of Otus, they were Giant twins, and the sons of Poseidon and Iphimedia (or Canace). They were killed accidentally by each other's javelins and the cunning of Artemis.
swords, shield's, bows, catapults, ballistas, spears, javelins, axes, maces, warhammers, tridents, nets and depending on the era and region siege weapons like elephants, cannons and trebuchets
the sumerians invented it.
the Egyptian invented the pyramids
USA invented the javelin rocket.
Javelins believe it or not, are members of the rodent family.
no
javelins
<http://www.javeland.com/> is a reliable site for high quality javelins of various weights and makes.
Initial javelins were made of wood until the mid-1950's. Dick Held improved javelin aerodynamics and durability by introducing aluminum javelins around that time (his brother, Bud, was the world-record holder for a time). Current javelins are made of steel, aluminum and/or carbon fiber.
No
Yes
wood and iron
wood and iron
iron
The plural for for javelin is javelins.
A roof and a building