In the 21st century, environmental protection and energy conservation have become one of the themes of the Olympic Games. This Time the Tokyo Olympic Games, also has a lot of worthy of learning from the innovation of science and technology. From cardboard beds, pure hydrogen fuel cell torch, MEDALS refined from recycled materials, and podiums made from recycled materials, it turns out that the Olympics is not just about athletes, there's more to it!
01. Hydrogen-fuelled cauldron: Carbon-free for the first time in Olympic history
One of the highlights of this year's Tokyo Olympics is the use of hydrogen to fuel the Olympic torch, making it the first time in Olympic history that the flame will be carbon-free.
At the same time, 5,632 houses for the Tokyo Olympics were powered by pure hydrogen fuel cells, making it the first time in Japan that hydrogen energy was widely used in new neighborhoods.
02. Recycled detergent bottles: Build the Olympic podium
Everyone loves to see Olympic athletes receive MEDALS and enjoy the most glorious moment. Little did they know that the podium at their feet was made of recycled materials.
The podium was created by collecting discarded detergent bottles and recycling plastic from the ocean, which was then regenerated into plastic particles and finally 3D printed.
03. Olympic gold, silver and bronze: Also extracted from the recovered
Do you think your cell phone and old appliances are worthless? The Tokyo Olympics organizing committee collected about 78,985 tons of small household appliances and 6.21 million old mobile phones since April 2017, and used new technology to refine 32 kilograms of pure gold, 3,500 kilograms of pure silver and 2,200 kilograms of pure copper to create the MEDALS.
It is said that a gold medal of the Tokyo Olympic Games is actually worth about 6000 yuan, which is all from the waste.
04. Environmental protection board bed: theoretical weight of 200 kg
Of course, there is a very hot focus, is the Tokyo Olympic Games "board bed", this at the beginning of the Olympic Games, has become a topic of countless people relish.
U.S. men's track and field athlete Paul Chelimo once said, "The cardboard beds in the Olympic Village are designed to prevent intimacy between athletes and can only hold the weight of one person." But his speech, was soon other athletes pro test hit in the face.
Irish gymnast Rhys McClenahan proved the bed's strength by Posting a video of her acrobatic bouncing around it. The bed's makers were quick to confirm that with a capacity of up to 200kg, the bed could support even a pair of strong Olympians in their intimate activities.