Let's start on our discovery!

Portable Alcohol Sanitizer

In 1966, Lupe Hernandez, a student nurse in Bakersfield, California, mixed alcohol with other things and turned it into a gel because alcohol was not easy to carry. It has become a common alcohol-based hand sanitiser. In the late twentieth century, a wave of high-tech revolution swept the world. With people's attention to the environment, the daily utilization of alcohol disinfection is much lower than that of physical disinfection, and most of them are still common in medical activities.

Computer Converter

In 1996, the usb standard jointly designed by Intel, Microsoft, ibm and other companies came out. Most keyboards, mice, smart phones and printers use the usb standard to achieve power supply and data transmission. The usb interface has been used for the purpose of universality since its birth. The universal standard breaks the barriers between devices and allows us to have more choices. It may not bring you unique functions, but it can be used in front of the screen. You and me with different devices appreciate the richness of the same world.

Pen

Pen, a writing tool. For thousands of years, we have used pens to learn and communicate. Pen, as a recorder of civilization, its value is self-evident.The Egyptians made black water by extracting dyes and colors from berries, plants and minerals, and the "pen" was a fine reed, the precursor to the fountain pen. Since the invention of the fountain pen based on the quill pen in the mid-1880s, the fountain pen quickly replaced the traditional quill pen and became the main writing tool in the 20th century.

Wallet The wallet used to be more like a big bag. The reason is that there were no bank cards in ancient times, and there were no banknotes in some time periods and regions. To travel far, you had to bring more money。 Due to the innate use of leather goods, its design is usually based on simplicity. Moreover, the history of the development of leather goods is actually very new, and many people may not have expected that leather goods in the modern sense did not appear until after 1930.

Computer Charger Before the 1980s, the external power supply was mainly based on the linear power supply. The disadvantage is that the volume and weight are larger than the power adapter, and the efficiency is low. However, the advantage is that the operation is stable and the circuit is simple, but it is not convenient to carry. In the mid-1980s, Japan's Toshiba took the lead in applying switching power supply technology to the external power supply of notebooks. It is easy to carry, and it effectively improves the commercialization and popularization of notebook computers.

Earphone Headphones have come a long way since the late 1800s. From ten-pound units to lightweight earbuds, headphones have changed and evolved over time. Headphones are now an essential part of any tech-savvy person's tech arsenal. So while it's hard to imagine which innovations will push headphone technology further, it's easy to get excited about them

Perfume In 1370, perfume was first used by people, and its raw materials were flowers, spices or herbs. Until now, the fragrance is no longer a tool to mask body odours. With the birth of cologne in the 1770th, perfume has become more like a symbol of a person. Everyone will spray a variety of scents to make the scent a symbol of themselves.

Watch The role of the watch is not to focus on the timing function. In the process of watch development, different era characteristics appeared in different periods: in the 1940s, people paid attention to the precision of the timekeeping of the watch; in the 1950s, people began to frequently remodel the internal movement, adding calendars, days of the week, Various special functions such as moon phase profit and loss, timing, etc. Since the 1960s, the appearance design and decoration of watches have shown a diversified trend.