Rare earth market quotation in China: domestic rare earth price is unchanged from previous trading day owing to continuous weak demand and unclear guidance from the policy side. Downstream factories are not interested in purchasing materials and thus deals are hardly done. Traders have enough confidence in keeping firm offers at present. Rare earth price in Chinese market will maintain weak adjustment recently. 

According to some foreign reports, form carving on the rock to storing data in the magnetic medium, humans have been using different means to preserve information. Although the amount of data stored by humans has grown tremendously over the past few decades, it has been difficult to keep data for a long period of time.

Prices of sodium molybdate, molybdenum concentrate and molybdenum powder are stable on Wednesday August 22 in Chinese market. The new environmental inspection tightens the supply of raw materials. Enquiry increases from customers, but actual transactions are difficult to meet market participants. 

The dream window of Boeing 787 owns the ability to dim or brighten without the window shades. The effect is very similar to the tungsten oxide electrochromic thin film.