Drone On: The Future Of UAV Over The US

Drone On: The Future Of UAV Over The US

From military weapons expos in Jordan to idyllic SoCal beaches, we caught up with some of those who are building and selling unmanned aerial vehicles all over the world, and even convinced a few companies to let us take their flying spy robots for a spin.

B-2 Stealth Bomber

B-2 Stealth Bomber

Take a never-before-seen look inside the world’s most powerful and most deadly aircraft – The B-2 Stealth Bomber. Produced in cooperation with the United States Air Force, this documentary provides unprecedented, full-clearance access to this amazing aircraft.


Birth of the red kangaroo (1965)

Birth of the red kangaroo (1965)

This remarkable film record of marsupial birth shows mating, the female’s preparation for the birth of her young and, finally, the birth itself.

One birth sequence shows the natural behaviour of the mother as the young makes its way, unaided, to the pouch. A second sequence, with the anaesthetised female, shows the moment of birth more clearly and follows the embryo”s long journey up over the fur to the pouch, where it develops as an externalised foetus.

The significance of the oestrous cycle and gestation period, egg fertilisation, and the development of the embryo in the uterus, is shown in animated diagrams.

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Roger Penrose – Forbidden crystal symmetry in mathematics and architecture

Roger Penrose – Forbidden crystal symmetry in mathematics and architecture

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Sir Roger Penrose provides a unique insight into the “forbidden symmetry” of his famous penrose tiles and the use of non-repeating patterns in deisgn and architecture.

It is a rigorous mathematical theorem that the only crystallographic symmetries are 2-fold, 3-fold, 4-fold, and 6-fold symmetries.

Yet, since the 1970s 5-fold, 8-fold, 10-fold and 12-fold “almost” symmetric patterns have been exhibited, showing that such crystallographically “forbidden symmetries” are mathematically possible and deviate from exact symmetry by an arbitrarily small amount. Such patterns are often beautiful to behold and designs based on these arrangements have now been used in many buildings throughout the world.

In this Ri event Sir Roger Penrose reveals the mathematical underpinnings and origins of these “forbidden symmetries” and other related patterns. His talk is illustrated with numerous examples of their use in architectural design including a novel version of “Penrose tiling” that appears in the approach to the main entrance of the new Mathematics Institute in Oxford, officially opened in late 2013.

The tiling is constructed from several thousand diamond-shaped granite tiles of just two different shapes, decorated simply with circular arcs of stainless steel. The matching of the tiles forces them into an overall pattern which never repeats itself and exhibits remarkable aspects of 5-fold and 10-fold symmetry.

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Similar features have been found also in the atomic structures of quasi-crystalline materials. The initial discovery of such material earned Dan Shectman the 2011 Nobel Prize for chemistry, his work having launched a completely novel area of crystallography.

Getting High Injecting Snake Venom

Getting High Injecting Snake Venom

From the authors: We met with a guy who’s been injecting himself with snake venom for 20 years and he looks better than ever. The hemotoxins which attack human blood cells in a tree viper’s venom can result in an agonising death in less than 30 minutes. The neurotoxins in a cobra bite can kill a person in half that time. for the past 20 years Steve Ludwin has been sticking all this lovely deadly snake juice in a syringe and mainlining it all the way to immortality. Privately milking an array of deadly snakes including rattlesnakes, monocled cobras, and a few casual vipers thrown in to the mix, Steve has been injecting what would for any normal human be fatal amounts venom into his body since the late 80s.

The basic principle – laid out by pioneer herpetologist, Bill Haast, who died last year at the age of 100 – is that regular exposure to the venom results in the body developing an immunity. Steve claims to not only never get ill, but that cobra venom is the ultimate pick me up, with effects lasting a days after injecting, making Steve stronger, faster and more resilient. Finally it looks like mainstream scientific research might be catching up. http://youtu.be/8q_m-rDUNw0

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The Fantastic Mr Feynman

The Fantastic Mr Feynman

Family and friends contribute to a celebration of Richard Feynman, one of the most inspiring and influential scientists of the 20th century. Feynman, who died 25 years ago, helped design the atomic bomb, won a Nobel Prize for Physics and solved the mystery of the Challenger shuttle catastrophe.

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