Hori­zon: How To Build A Time Ma­chine

BBC iPLAYER HOW IT WORKS

Daily Mail Weekend Magazine - - TV ON DEMAND -

Build­ing worm­holes, cre­at­ing ‘time crys­tals’ and fid­dling with pho­tons are some of the eye­brow-raising ap­proaches dis­cussed in an ex­cit­ing new film, in which we meet sci­en­tists who are push­ing the lim­its of dis­cov­ery.

What do they think needs to hap­pen for sci­ence fic­tion to be­come sci­ence fact? The free ser­vices BBC iPlayer (www.bbc. co.uk/iplayer), ITV Hub (www.itv.com/ hub/itv), All 4 (www.chan­nel4.com/on­de­mand) and My5 (www.my5.tv) give you from seven to 30 days to watch pro­grammes that have al­ready aired. You can ac­cess them on a com­puter and some phones, and via your TV set through providers such as Sky, Vir­gin TV, BT TV, TalkTalk TV and YouView.

Net­flix (www.net­flix.co.uk) and Ama­zon Prime (www.ama­zon.co.uk/piv) are sub­scrip­tion TV and film ser­vices, while the

TalkTalk TV Store (www.talk­talk­tv­s­tore. co.uk) is a non-sub­scrip­tion site for the ren­tal and pur­chase of film and TV. All three can be watched through a va­ri­ety of in­ter­net-con­nected de­vices.

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