From scraps, specialized student Nguyen Tan Khai, class 11C4A, Hung Vuong High School, Pleiku City (Gia Lai) took advantage of making telescopes, freely watching the distant stars
Scientists are increasingly worried about metal fragments flying around the earth's orbit.
The Center for Bioenergy (BESC) of the US Department of Energy has announced a new technological process in gasoline production to reduce dependence on imported oil.
A 14-year-old male student in India was determined to build a chicken feeding machine so he could have more time to learn and play.
Scrap is seemingly useless, no longer valid but under the skillful hands of people, they are recycled and create extremely perfect products.
Japanese artist Natsumi Tomita has used from broken umbrellas to cans, kitchen utensils thrown away to create beautiful, colorful animal models and treat them as ... children.
An Indonesian man uses scrap metal to make his own rehabilitation arm.
A Chinese man makes his own aircraft by taking advantage of old metal pieces and successfully flying the test.
Using 100% recycled materials such as old bicycle slopes, automotive batteries, and wood chips ... Max Robson invented wind turbines with a cost of only 20 pounds (615 thousand
A man with no knowledge of aeronautics or mechanics in Kenya created an airplane from thrown things.