Microsoft made its Bing GPT-4 chatbot available to everyone in early May. No more waiting lists, just log in to the new Bing or Edge with a Microsoft account, and now you can access the open preview version powered by GPT-4. Microsoft is also upgrading Bing Chat on a large scale, adding many new features and even supporting plug-ins.
One of the most requested features from Bing Chat users is saving previous chats. The feature, which Microsoft says will be available “soon,” will allow users to stop a chat in the middle and pick up where it left off again. Microsoft will also add ways to quickly export chat conversations and share them on social media.
Microsoft claims that Bing Chat now has more than 100 million daily active users and more than 500 million total chats since launch. It also said that since Bing Chat was first launched, daily installs of the Bing mobile app have quadrupled compared to normal. The launch of the open preview comes nearly two months after Microsoft attempted to remove the waiting list for its new Bing chat feature. The chat tool was initially launched in private preview in February, and Microsoft has gradually opened it up since then.
Soft robotic locomotion finds new way
Scientists at North Carolina State University have demonstrated a soft robot designed to resemble a caterpillar that can move forward, backward and squeeze through tight spaces. The caterpillar-inspired robot’s movement is driven by a unique pattern of silver nanowires that use heat to adjust their curvature.
The caterpillar robot consists of two layers of polymers that respond differently when heated. The bottom layer contracts when heated, and the top layer expands when heated. A pattern of silver nanowires is embedded in the expanded polymer layer. The researchers can control which parts of the nanowire pattern heat up by applying current to different extraction points, and can control how much heat is generated by applying more or less current.
”The caterpillar’s movement is governed by the local curvature of its body, which curves differently when it pulls itself forward than when it pushes itself back.” Yong Zhu, the corresponding author and the Andrew Adam Distinguished Professor of Mechanical and Aerospace Engineering at NC State, said, “We took inspiration from the biomechanics of caterpillars, mimicked this local curvature, and used nanowire heaters to control the motion of the caterpillar robot. Like curvature and motion.”
LinkedIn Workplace is officially shutting down
On May 9, LinkedIn, which had closed its social networking function in China two years ago, further shut down the remaining Chinese business and is about to start layoffs in China. According to the information provided by LinkedIn, LinkedIn’s localized job search platform in China – “LinkedIn Workplace” will officially stop serving on August 9, 2023. At the same time, corporate customers will not be able to continue to recruit talents and Using relevant insights, the “Personal Job Posting” function and the local “LinkedIn Recruitment Page” in China will also stop serving.
It is understood that the decision was initially made as early as March this year. In the official announcement, LinkedIn’s explanation for this is that “Although we have made initial progress in the past year, the LinkedIn workplace is always facing challenges brought about by increasingly fierce market competition and the macroeconomic environment, which makes We finally made the decision to stop the service.”
Using lasers to propel spacecraft to Mars in 45 days
The universe is too vast. It took Voyager 2 12 years to reach Neptune, and it will take decades to fly out of the solar system.
Canadian scientists have proposed using lasers to heat the hydrogen fuel in a spacecraft to reach Mars in just 45 days. This “laser thermal propulsion technology” requires a sufficiently strong laser. Scientists form multiple small laser emitters into a laser emission array and align them with the condenser lens of the spacecraft. Condenser mirrors on the spacecraft focus the laser beam into the heating chamber of the engine, heating the hydrogen fuel.
With the help of lasers, the operating temperature of the engine was raised from 3200°C to 40,000°C. The ultra-high temperature allows the working fluid to be ejected at high speed, accelerating the spacecraft to an unprecedented speed. According to calculations, it only needs to continuously illuminate the spacecraft for one hour to reach a speed of 50,000 kilometers per hour.
If we can also build a laser emission array on Mars for deceleration and return acceleration, we can achieve a fast round trip within one month. If the laser thermal propulsion technology is realized, it will be more convenient to emigrate to Mars and travel in space. This technology will open a new space age for us. This method is much more reliable than the starship’s stupid engine.
Gum Arabic dystocia or Coke Sprite out of stock?
Due to the conflict in Sudan, the global supply of gum arabic, a key material for carbonated beverages, is in short supply, and Coke is facing out of stock! Unexpectedly, Sudan, a war-torn country with a per capita disposable income of less than US$1, also has a world-class advantageous industry.
The Republic of Sudan in Africa, whose name comes from the Arabic “land of blacks”, is rich in natural resources, with a large oil field with 4.5 billion barrels of reserves and the world’s eighth largest gold mine output. Sudan produces 40,000 tons of gum arabic annually, accounting for nearly 80% of the global output. Many Sudanese make a living by collecting and processing gum arabic. The acacia tree is a specialty in the southern region of the African Sahel. This tree will flow naturally without any chemical modification. It is an excellent emulsifier, thickener, suspending agent, adhesive, film-forming agent, glazing agent, and stabilizer. and carriers etc.
It is recognized that gum arabic has no effect on health, and the world food and drug standards do not stipulate the daily allowable intake of gum arabic. Therefore, eating gum arabic can only cause swelling and not poisoning. Of course, this precious resource is not in the hands of the Sudanese themselves, but by Alland & Robert, a French company established in 1884.
In fact, even if the production capacity of gum arabic is insufficient, there are many substitutes for it, such as polysorbate 60, so we don’t have to worry about the supply of cola being cut off.