For engineer Liang Kaiyu, one thing is clear: What doesn’t kill you makes you stronger. Losing his left leg above the knee in an explosion (爆炸) when testing his self-built motor in January 2020, the 30-year-old used his engineering skills to make his prosthetic limb (假肢) more comfortable and powerful than a real leg.

Since late 2020, he has upgraded his high-tech prosthesis, including fitting a shock absorber and installing a charger port. “Although China has millions of amputees (被截肢者), people with a prosthesis are still a rare sight on the street. My video may, in some way, encourage them,” the man says, adding that prostheses can look cool.

Before the explosion, as an engineer, building things was a hobby in his spare time. When he saw that a foreign engineer had developed an autonomous e-bike, he found the materials online and decided to build one himself. It took him more than a year to finally make it, but he was not satisfied and, in January 2020, he tried to better it. “I tried to use larger parts to make the self-driving function more dependable, but I made a mistake and the explosion occurred,” Liang recalls.

“Physical recovery is the first step. Psychological acceptance matters more, which takes much longer,” Liang says. Liang’s focus is now on making the new leg comfortable. To know about the structure and system of the prosthetics better, he disassembled some secondhand prosthetic limbs that were made in China and abroad, which cost him hundreds of thousands of yuan. “I want to let more people know about these high-tech prosthetics, which are comfortable and safer to wear. It can build confidence with every step,” Liang says.

Tea is the second most popular drink in the world after water．There are different kinds of tea including green tea and black tea．A cup of tea has become a part of our daily lives and our culture．Earlier, tea used to be made in large pots．Hot water was poured over a bunch of tea leaves even to make a single cup．It is believed that this led to waste of tea and that is where the story of the teabag comes in．

It is more convenient and easier to use a teabag than to brew(沏) fresh tea leaves every time you want to make a cup of tea．With the help of teabags, tea was made available in places like offices and airplanes．In order to make tea taste good, you need to remove the dried leaves after brewing．With teabags, you can brew a great cup of tea without a tea strainer．

“Who invented the teabag？”has been a question for a very long time．There are some interesting stories about this question, but the most popular one is of a New York tea businessman, Thomas Sullivan．In 1908, he sent samples of tea to his customers in small silk bags．A few of his customers thought that these bags were to be dipped(浸) in water to brew tea and so they did not empty out the tea．Sullivan did not realize this till the time he started receiving complaints from customers about the orders not being sent in bags．Then he started producing teabags and because of silk being too expensive he later used gauze(纱布)．

The_popular_Sullivan_story_lacks_evidence．Whatever the truth may be, we will be ever so thankful to whoever came up with this wonderful product．Teabags have managed to make our lives so much easier．By the 1920s, teabags had successfully become the new way of drinking．It brought about a great change in our habit of drinking tea．

One day, I was so angry with my parents that I left home, saying I would never return. I was upset because my parents refused to buy me a bike.

But in my anger, I didn’t even realize that I had taken both my father’s shoes and his wallet. As I made my way to the bus station, I felt some pain in my foot. I noticed that the shoe had a hole in it.

There were no buses around. Not knowing what to do, I looked in my dad’s wallet. To my surprise, there wasn’t much money inside. I also found a note from his manager which asked him to wear nicer-looking shoes to the office.

I remembered my mother asking him to buy a pair of new shoes, but he said the shoes he was wearing should last at least another six months.

I started to walk home. I then realized that when I had left, my dad’s motorbike wasn’t there. Thinking about that, I wanted to cry. I ran home as fast as I could.

When I got home, my dad was there waiting for me. I couldn’t help but cry. I hugged him tightly and said, “I’m sorry, Dad. I don’t need a bike.”

That’s when I realized just how much pain and hardship our parents go through sometimes, and how great their love for us is. Everyone should do a better job of remembering this from time to time.