- Pressure § Harvard Natural Sciences Lecture Demonstrations
Sandrine Ceurstemont, video editor New Scientist TV: Print your own flute
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Space The universe can be a very strange place. While groundbreaking ideas such as quantum theory, relativity and even the Earth going around the Sun might be commonly accepted now, science still continues to show that the universe contains things you might find it difficult to believe, and even more difficult to get your head around. Theoretically, the lowest temperature that can be achieved is absolute zero, exactly ?273.15°C, where the motion of all particles stops completely.
Gallery - Reflecting on a new generation of mirrors - Image 1 00:00 12 February 2009 Mathematician Andrew Hicks designs unusual mirrors that reflect wide panoramas or even show text the right way round Image 1 of 7 Non-reversing mirror This mirror does not produce a "mirror" image, making it possible to read reflected text normally. Hicks, a mathematician at Drexel University, Philadelphia, used computer algorithms to generate the mirror's bizarre surface, which curves and bends in different directions.