Profile cover photo
Profile photo
Isaac Teh
Love Natural
Love Natural
Isaac's posts

Head spinning @@

Post has attachment
Cool man i like it

Gong Xi Fa Cai everyone! Have a Prosperous Year Ahead

Post has shared content
"Dream" is not enough. "Do" is required.

Post has shared content

Post has shared content
Magic Sand or Hydrophobic Sand

Magic sand, Moon Sand, Mars Sand, Space Sand, Sand or Aqua Sand is a toy made from sand coated with a hydrophobic compound. The presence of this hydrophobic compound causes the grains of sand to adhere to one another and form cylinders (to minimize surface area) when exposed to water. As soon as the sand is taken out of water, it is completely dry and flows freely.

These properties are achieved by covering ordinary beach sand, which contains tiny particles of pure silica, and exposing them to vapors of trimethylsilanol (, an organosilicon compound. Upon exposure, the trimethylsilane compound bonds to the silica particles while forming water. The exteriors of the sand grains are thus coated with hydrophobic groups.

Magic sand was originally developed to trap ocean oil spills near the shore. This would be done by sprinkling Magic sand on floating petroleum, which would then mix with the oil and make it heavy enough to sink. However, due to the expense of production, it is not being used for this purpose. It has also been tested by utility companies in the Arctic areas as a foundation for junction boxes, as it never freezes. It can be also used as an aerating medium for potted plants.

Magic sand is made in blue, green, or red in colors but appears silvery in water because of a layer of air that forms around the sand, making it unable to get wet.

Earliest reference to waterproof sand can be found in a 1915 book called The Boy Mechanic Book 2 put out by Popular Mechanics. The Boy Mechanic states waterproof sand was invented by East Indian magicians. The sand was made by mixing heated sand with melted wax. The wax would repel the water when the sand was exposed to water.

Text source:

The animated gif has been obtained from this video, entitled Hydrophobic Sand - QI - Series 10 Episode 10 - BBC Two:
Hydrophobic Sand - QI - Series 10 Episode 10 - BBC Two

Watch the video of how to make Magic Sand: How to make Magic Water-Proof Sand (Magic Sand)

Further reading: Magic Sand Experiment from the American Chemical Society 

Further video: 'Magic Sand'

#chemistry #hydrophobic_sand #science #sciencesunday

Via: annarita ruberto
Animated Photo

Post has attachment

Post has attachment
Early in the morning new update Kitkat...^^

Post has shared content
หลังประกาศเปิดตัว LG G Flex อย่างเป็นทางการไปทาง LG ก็ปล่อยคลิปวีดีโอที่แสดงว่าฝาหลังของ G Flex นั้นสามารถรักษาตัวเองจากรอยขีดข่วนได้! ส่วนจะเป็นอย่างไรนั้นมาดูคลิปนี้กันเลยค่ะ!!

Post has attachment
Wait while more posts are being loaded