Author Archives: quantasblog

Raffles Science Series (RSS) – Rainbow Physics

Raffles Science Series (RSS) is a fortnightly science event jointly organized by four academic societies in RI (JC), namely, Raffles Society of Biological Sciences, Quanta (Club Automatica), Astronomy Club and Alchemy Club, with focuses on Biology, Physics, Astronomy and Chemistry … Continue reading

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Putt-putt boats and the reverse sprinkler — Matthew Lee

In the first FOTW,(here: https://quantapublication.wordpress.com/2011/01/16/putt-putt-boats-matthew-lee/) we took a look at the mechanism by which the humble putt-putt boat propels itself through water, and tried to explain how the boat manages to move forward at all despite sucking and blowing water in … Continue reading

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The Four-Vector in Special Relativity – Lin Sen

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2 Simple Facts — Lee Zi Yang

The Earth is smoother than a billiard ball The Earth may seem all bumpy and uneven, with molehills, mountains, trenches, buildings and what nots. But really if you shrank it to the size of a billiard ball, it’s smoother! The standard … Continue reading

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A Brief Look at Mirages – Li Kewei

From grim tales of that delusional oasis to legends of that mysterious ship in the sky, mirages have long captured the imagination and fascination of men. They are definitely amongst the most famous and fascinating of atmospheric optical phenomena. The … Continue reading

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What If – Yao Zhecheng

What if the universe we live in has a different Planck constant? What if high-temperature superconductors are discovered? What if we can store the power of lightening for everyday use? This week’s fact of the week will seek to provide … Continue reading

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Magnetorheological fluid – Catharine Lo

Remember the ferrofluid that Luyu introduced during the camp.  It is made up of nanoparticles of ferromaterials that become magnetised under a magnetic field.  Now let us look at another type of fluid. A magnetorheological fluid (MR fluid) is another … Continue reading

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