"Robot" workers can help install furniture
" Robot " workers can help install furniture
The latest robot designed in Italy can help people assemble furniture in just a few minutes. The user uses a kinesthetic teaching method to let the robot understand how to help people install furniture. This means that the robot has “learning ability†instead of just Has the ability to program pre-processing.
A research team consisting of Lionel Rozo and Hilva Gallino said that the robots they developed could help people install IKEA tables, and the whole process was based on kinesthetic teaching. The robot uses a pressure sensor and visual tracking system to learn about people's movements, and the user hands-on demonstration of how the robots work together.
The sensor is mounted on the wrist of the robot. The visual tracking system is used to record the position and orientation of the table legs. After the teaching demonstration, the robot knows how to assist the cooperation and can help people complete the furniture assembly together. When people start to screw on the legs of the table, the robot will assist in the work.
Super micro battery
Quickly charge your phone in one second
The development of mobile phone battery technology has lagged behind mobile phone technology. Smartphones have reached an astonishing level of sophistication, while batteries are relatively old. With the development of a super micro battery by scientists at the University of Illinois, this backwardness has since become a thing of the past. The power of such a micro battery is 1000 times that of a lithium battery, and theoretically it takes less than one second to charge.
Scientists say that the high performance of the new microbattery is due to the internal three-dimensional microstructure. Like all batteries, the new microbattery has two basic components, the anode and the cathode. The new microbattery uses a new fast-charging cathode designed by Paul Braun, a professor at the University of Illinois. Kim and Picor developed the corresponding anodes and a way to bring them together at a microscale, giving the last developed battery a very high performance. For consumers who need higher power, the battery can make the effective working distance of the sensor or radio signal 30 times earlier and 30 times smaller.
Researchers are currently trying to bring new batteries together with other electronic components while reducing production costs.
"The most sensitive scale"
Cancer cells can be "called out"
Chinese scholars have invented the world's "most sensitive scale" - "light scale", which can measure the quality of microscopic particles such as single atoms and protons, and is expected to be used for the measurement of the molecular mass of cancerous DNA, perhaps to find it earlier and more accurately. cancer cell.
The research team led by Professor Zhu Jia of Shanghai Jiaotong University pioneered the use of optical methods to replace traditional electrical measurements and invent nano-optical mass spectrometers. Although the "light scale" is still in the theoretical research stage, it has been considered by the American Physical Society "it is expected to lead nanoscience into a new measurement field." The international authoritative physics journal "Physical Report" recently published the results of this research.
His specific method is: placing the atom to be tested on the surface of a carbon nanotube, and then using two beams of different light and intensity on the carbon nanotube, measuring the vibration frequency of the carbon nanotube twice, and calculating the carbon. The mass of a single atom on the surface of a nanotube.
According to Juka, the measurement of single neutral atoms has come to an end, and research is currently underway to measure individual protons or neutrons through “light scalesâ€. Researchers also hope to apply "light scales" to the study of biological DNA molecules, and propose a method for detecting cancer cell DNA molecules.
"The molecular quality of cancerous DNA should be different from the quality of normal DNA molecules. The use of 'light scales' can detect the presence of cancer cells," said Juka.
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