How much is the mass of this object?

He lifted the big box with both hands.

He is a very excellent technician.

He is good at solving technical problems.

Information technology plays a very important role in modern society.

Let's try to predict tomorrow's weather using the future tense.

He is passionate about his research in futurology.

I am amazed at the advancement of near-future technology.

He claims to be a time traveller.

He has a deep interest in Futurist art.