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94%VideoJan 2017

If we find aliens, what do we do next?

(13:30) History tells us that when two civilisations meet, it's usually bad news for one.


88%VideoJan 2017

Guided tour of SpaceX with Elon Musk

(21:44) Elon Musk gives an amazing tour of SpaceX facilities, from offices to factory floor.


87%VideoJan 2017

Bill Nye tours Ark Encounter with Ken Ham

(22:04) Bill Nye the Science Guy and creationist Ken Ham discuss deep matters at Ark Encounter, a fundamentalist Christian theme park.


87%VideoJan 2017

Vision for a tidal lagoon at Swansea Bay

(5:46) The £1.3 billion Swansea Bay Tidal Lagoon has just got the go-ahead.


86%VideoJan 2017

10 of the coolest robot animals

(4:29) Interesting video about astonishing robots animals in the world today.


88%VideoJan 2017

Richard Dawkins - Why the universe seems so queer

(22:42) Biologist Richard Dawkins looks at how the human frame of reference limits our understanding of the universe.


87%VideoJan 2017

Why can't we see the Apollo lunar landers on the Moon from Earth?

(6:31) Somewhere on the lunar surface are the remains of Apollo spacecraft. So why can't we see them with a powerful telescope from Earth?

87%VideoJan 2017

Which power source is most efficient?

(4:24) How do different energy sources compare in efficiency?

87%VideoJan 2017

How does Bitcoin work?

(9:25) An elegant alternative to traditional currencies.

87%VideoDec 2016

Zooids: Building blocks for swarm user interfaces

(2:06) Open-source open-hardware platform for developing tabletop "swarm user interfaces".