Stephen Hui Geological Museum

The Stephen Hui Geological Museum is a museum at The University of Hong Kong. It is located on the ground and first floors of the James Hsioung Lee Building, in the HKU Main Campus. The museum is part of the Department of Earth Sciences, the only earth sciences department in Hong Kong.


The Stephen Hui Geological Museum was opened on January 16, 2009 as the first and only geological museum in Hong Kong.

The Musuem features ores, minerals and rocks from mines all over the world, including mines from Hong Kong.
Interesting rocks mined from Hong Kong includes:
Galena, Quartz, leaf fossils, etc.

 Ores mined from Hong Kong:

Quartz and Feldspar

Wolfram

Galena, a natural form of lead mined in Northeastern Hong Kong

POUR CO2 gas to extinguish fire!

Carbon dioxide is a gas that we interact with every day. For instance, CO2 enables plants to perform photosynthesis, you exhale CO2 when you breathe, and CO2 can extinguish fire. You probably knew all those facts, but did you know that you can get really science-y and extremely creative when putting out flames with CO2? It's as simple as pouring the gas onto fire. Pouring? You better try it to believe it!!

Materials:

• White vinegar
• Baking soda
• Clear container
• Candle(s)
• Lighter or matches

EXPERIMENT:

1. Pour some baking soda into a clear beaker or glass.
2. Add some vinegar into the mix by pouring white vinegar into the same container as the baking soda. Whoa… that's a foamy reaction!
3. Wait a few moments while the reaction tapers off.
4. Use a lighter or matches to ignite the candle(s).
5. Grab the container with what used to be vinegar and baking soda and slowly "pour" the air from the container over the candles. Be careful not to pour the liquid!

As you move the container from candle to candle as you pour the air out, the flames will extinguish. SERIOUSLY! 

CO2 Extinguisher - Sick Science! #174

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Formation of a Extratropical cyclone

Every winter in the western north Pacific, in the region around Japan, extratropical cyclones form and zoom to east making landfall over eastern Canada.A separate study in the Northern Hemisphere suggests that approximately 234 significant extratropical cyclones form each winter. Extratropical cyclones form.

The extratropcial cyclone developing over eastern Russia on

February 20, 2012

 

The extratropical cyclone gaining strength over northern Japan 1 day later  

The Extratropical cyclone whiching peak intensity on February 22

The Extratropcical cyclone weakening steadily on February 23. 

Earth zoom out to Universe

Zooming out from earth, passing though our solar system's planets(Missing Neptune and Uranus) than we zoom pass some comets,and later into the Oart cloud.We soon pass two of our closest stars,Proxima Centauri,and Alpha Centauri.We later see our galaxy, the milky way and later the huge universe.
Music:Titanic DJ tiesto

Earth zoom out to Universe video

Typhoon Roke's Von-Karman Vortices

Typhoon Roke caused some Von-Karman Vortices to form over the southern sea of Jeju-do island,south korea.
Von Karman vortices are caused by a object which is above a flow of fluid that includes air, blocks a current and causes vortices in the opposite facing side of the object.A Mountain must be higher than 1300 meters which is sometimes above the flow of air currents before it could cause this vortcies.In this image, you can see the north west part of Typhoon Roke and winds from this part of the typhoon move south, which cause Von Karman vortcies  south of Jeju-do island.
Typhoon Roke's Von-Karman Vortices

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