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1,500 coke geysers

As published in The Straits Times
06 Aug 2010


By Lester Kok

BILLED as the Great Singapore Mass Activity, the record-breaking event saw 1,430 Cola-Mentos geysers fired up into the sky, all at once, on Friday.

The effort by the students, teachers and alumni of Punggol Secondary School was good enough for the Singapore Book of Records - for creating the most number of simultaneous Cola-Mentos geysers here.

The educational aim: To create more awareness of science. All the participants had to do was to drop Mentos sweets into a 1.5 litre bottle of diet cola.

The result was a metre-tall fountain which lasted about three seconds.

Discovered about 10 years ago, the cola-geyser has been experimented on by various people, from television hosts to scientists.

Invited to explain the science behind the cola-geyser phenomenon at the event, was Associate Professor David Lee Butler from the Nanyang Technological University, who said that Mentos, which has many microscopic holes on its surface, when dropped into cola, provides a good surface for bubbles to form easily.

Read also: Cola Geysers in Punggol!


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Shuttle Bus - Punggol Mrt / Punggol Plaza

Punggol BTO Project Details

BTO ProjectBlock No.Release DateCompletion DateNo. of UnitsInitial Launch PriceEdgedale Green632A-C, 633A-B, 635A-C, 636A-BDec 2002Dec 2006582$141,000 - $170,000Periwinkle195A-EDec 2002Dec 2006450$152,000 - $183,000Sundial167A-D, 168A-D, 169A-DSep 2003Sep 2007425$138,000 - $178,000Punggol Anthias
(cancelled)612A-D, 613A-DDec 2004-134$101,000 - $185,000Coralinus 1301A-C, 303A-CJun 2005Jun 2009369$169,000 - $206,000Coralinus 2301D, 303D, 302A-DFeb 2006Feb 2010365$182,000 - $220,000Treelodge305A-D, 306A-DMar 2007Mar 201198$139,000 - $383,000Punggol Vista601A-D, 602A-CAug 2007Aug 2011105$75,000 - $227,000Punggol Lodge603A-D, 604A-COct 2007Oct 201152$122,000 - $234,000Damai Grove
(Punggol Anthias)612A-D, 613A-DDec 2007Dec 201162$123,000 - $240,000Punggol Spring614A-B, 615A-CFeb 2008Feb 2012476$204,000 - $259,000