Hey, it's Doleepa, and I'm at your service.

Join me as I serve up personal conversations with my sensational guests.

Do a leap interviews, Tim Cook.

Technology doesn't want to be good or bad.

It's in the hands of the creator.

It's not every day that I have the CEO of the world's biggest company in my living room.

If you're looking at your phone more than you're looking in someone's eyes,

you're doing the wrong thing.

Julie, at your service. Listen to all episodes on BBC Sales.

Hello You, this is Inside Science from BBC Radio for first broadcast on the 5th of

April 2018 and I'm Adam Rutherford today we're going into deep space the nature of

the cosmos black holes and beyond the infinite.

Stephen Hawking became at one with the universe last month,

and here on Inside Science we're going to unpick his scientific achievements

and put them in the context of the great physics discoveries

of the last hundred years and that other great scientific icon Albert Einstein.

We will look forward to how Hawking's work in the 1970s fits into the long standing quest of

physicist to come up with a grand unifying theory that describes how the universe works and

unites those fundamental pillars of physics, quantum theory and gravity.

So we hope you have a nice strong cup of tea and possibly a restorative digestive at the

ready.

We're joined by three professors of physics, all grandees in their respective fields.

...