Behind this door is uncertainty. Neighbours reported a break-in, smash glass. It could be a false alarm. It could be a burglary. Someone could still be inside. They could be dangerous. So, are you going in? If you think you could be a regular or volunteer police

constable, search met careers. Change needs courage. Change needs you. This is a podcast extra

from nature. Every week, nature publishes a science fiction story in its futures slot.

At the end of every month, we read you our favourite.

This month's story is The Revision Theory, written by Blaze M.K., published on 29th June, and read by Adam Levy.

Thamber re-read what he'd written.

It said, I must know if he'd written. It said,

I must know if this will work. It's 11.35pm, 12th of September, 2015. I'm in the garage.

In two minutes, I'm going to open the third draw down on the left side of my workbench.

That was it. There were two possibilities.

One, the drawer would remain as empty as it had been since the day he'd bought the bench.

That wouldn't necessarily mean the device didn't work, but it would be disappointing.

Two, the drawer would no longer be empty.

He folded the note carefully and focused on what he intended to do with them.

He would place it in a white envelope, address it to himself,

and deposit it in the red and blue postbox next to the notice board at the supermarket.

He waited.

1137.59 p.m. Thember opened the drawer. Inside lay a yellowed envelope.

He trembled as he retrieved the letter and opened it. There, written in a faded blue script he didn't recognize, was a simple response.

It read, yes, it works. Thamber sat, stunned for a moment. Then a wave of relief passed over him.

Graduate school, the disastrous postdoc,

the humiliation of taking a job in industry

...