Look at this battery. You can charge (充电) it with water, beer, juice, and even saliva (唾液)! ……

unit is removed. The slim, battery-operated unit slips inside a small pocket in the garment.... A microprocessor unit then analyzes the signals to look for signs of dangerous heart rhythms.If any trouble ……

) your battery at the same time. This battery is designed by Hwang Yeon-gyeong from South Korea. It has a spring (弹簧) inside. Wind it up and it will then give at least 20 minutes’ power. 21ST ……

don’t think they look very stylish. If people don’t know you are wearing them, they might think you are crazy for talking to your wrist (手腕).Let’s take a look at one of the most popular wearables ……

don’t think they look very stylish. If people don’t know you are wearing them, they might think you are crazy for talking to your wrist (手腕).Let’s take a look at one of the most popular wearables.Google ……

to charge the Redmi Note 12 Discovery Edition equipped with a 4,100 mAh (毫安时) battery in five minutes... a breakthrough. Not only has the charger’s material been improved, but the battery has also been ……

－ a heated (加热的) jacket. Inside the jacket, there are thin carbon fiber pads (碳纤维垫) that are heated by a battery. When fully charged (充电), the battery can keep the pads warm for four and a half hours ……

－a heated (加热的) jacket. Inside the jacket, there are thin carbon fiber pads (碳纤维垫) that are heated by a battery. When fully charged (充电), the battery can keep the pads warm for four and a half hours ……

We can use a potato to make a battery (电池). ……

a gadget (小器具) rescue guide. So, let's take a look at some of their useful advice.How to get more juice out of your phone batteryIf your phone battery goes dead but you need to get a number or send one ……

is collected by the tiles and they can even store it inside a special battery (电池), for days when the sun isn... off by the way they look. Thankfully, US tech firm Tesla says it has a solution to this.The company ……

Power ‘tree’ 充电树Look at this “tree”. Its leaves are solar panels (太阳能电池板). The panels can get energy (能量) from the sun. The energy stays in a battery (电池) under the tree. So you can connect (连接) your ……

手机) or a tablet (平板电脑), such as battery (电池) life, screen size, and so on. However, you cannot have it all. What matters the most for US people? Look at the table and find out. ……

devices (设备). The new paper-digesting battery is thin enough to fit inside a small device. The next... it into energy. At the conference, the battery successfully powered a very small fan, reported ……

that it is common sense that the anode (the negative (负的) end of the battery) and the cathode (the positive end) should never touch. If they do, the battery will short-circuit (短路), causing ……