Constant – a poem by Kate Rauner

Constant

speed of light to measure

Measuring the speed of light

The speed of light is universal,

A physics constant we’ve all heard of.

It does not matter where you stand.

But are there ‘buts’ and are there ‘ands’?

Light is slowed when it goes thru

Air or glass or water too.

Can its speed ever be

Faster yet than what we see?

The rate of change within a frame

May exceed: that’s not the same

Tho our semantics it may vex

It’s not the speed of an object

“c” – the massless speed that’s fastest,

A description that has lasted.

Fete the knowledge it affords,

Or feel sorry for… the good Lord.

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