Why was the lithography invented?

What is the difference between a physical object and a virtual object? What is the difference between infiltration and seepage? Is e1 is American standard? What did GE and Bell labs invent in 1925? Why do we have so much technology? What are four differences between traditional and modern technology? What kind of planes cannot be detected on radar? Why is the primary of a transformer 11kv? What is a FIFO array? The magnitude of the voltage induced in a conductor moving through a stationary magnet field depends on the? What do you have planned for your future? Where does a 2 stroke engine cylinder lubrication go once used? Were did the term robot come from? Which is better a 6 cell battery or a 9 cell battery? What is the single variable? What programs can build with cans? What formula calculates the current drawn by the transformer for mains electricity? Who is the fattest transformer? Explain the power rating of this bulb say 60W what if the voltage changes? What is toggle bit?