Science and Technology Daily, Beijing, September 17 (Reporter Zhang Mengran) - Researchers at the University of Washington in the United States have developed a small robotic device that can change the way they fly in the air by folding during descent. The research results are published in the new issue of Science Robotics...

The European Council has recently introduced a new regulation aimed at strengthening the management of batteries and waste batteries, regulating the entire lifecycle of batteries from production to recycling and reuse, in order to promote a circular economy. Analysis suggests that the new regulations will enhance the competitiveness of European industries, ensure the sustainability of new batteries, and contribute to green transformation...

Have you ever worried about the battery life when using a laptop? Can it be used with the power supply plugged in all the time? Do I need to use up the battery before charging? How can batteries be used to ensure their lifespan?Today, let's answer everyone's questions one by one!Can I turn off my computer when it runs out of power?Most laptops nowadays use lithium batteries, and some friends may worry that deep or even excessive discharge will irretrievably damage the battery. In fact, there is a certain reason for this concern, but you should not be too careful not to use the battery...