Obelisk used in a sentence

Obelisk in a sentence as a noun

The shape of an obelisk has a narrow, constant width.

"What used to be an obelisk is now becoming a pyramid.

Most people don't know that the obelisk in the move "2001" is actually a self-replicating exponential space probe.

People connected in space... can dance together...... by being on opposite sides of an opaque obelisk.

Each wall of this octagonal chamber presents an obelisk-like Rothko painting.

It needed a central location or gathering point so I figured why not throw a giant obelisk thingy in there?Its fun watching what people say about it.

It's not an idiom I've heard before but I think what PG means is that getting Series A has always been difficult and that's the top point of either an obelisk or pyramid.

Investors will pay to see how an experiment turns out, but they are brutally unforgiving, if it doesnt turn out well What used to be an obelisk is now becoming a pyramid.