Grass paper. Free Technical Library News

NEWS OF SCIENCE AND TECHNOLOGY, NOVELTY IN ELECTRONICS
Free technical library / timeline

grass paper

06.07.2003

The Polish company "Biotek" has patented a method for obtaining pulp for making paper from a herbaceous plant, a relative of mallow, cotton and hibiscus.

The American sida grows literally like grass, growing biomass ten times faster than conifers commonly used in paper making. The cellulose content in the stalks of sida is 40 percent, about the same as in pine or birch wood.

There is no resin in the plant, there is much less lignin in it than in coniferous wood, it is not necessary to remove the bark from its stems - all this reduces the cost of production. The paper is no less durable than regular paper.

<< Back: Wood can cause allergies 07.07.2003

>> Forward: Diamond is harder than diamond 05.07.2003

Latest news of science and technology, new electronics:

The existence of an entropy rule for quantum entanglement has been proven 09.05.2024

Quantum mechanics continues to amaze us with its mysterious phenomena and unexpected discoveries. Recently, Bartosz Regula from the RIKEN Center for Quantum Computing and Ludovico Lamy from the University of Amsterdam presented a new discovery that concerns quantum entanglement and its relation to entropy. Quantum entanglement plays an important role in modern quantum information science and technology. However, the complexity of its structure makes understanding and managing it challenging. Regulus and Lamy's discovery shows that quantum entanglement follows an entropy rule similar to that for classical systems. This discovery opens new perspectives in the field of quantum information science and technology, deepening our understanding of quantum entanglement and its connection to thermodynamics. The results of the study indicate the possibility of reversibility of entanglement transformations, which could greatly simplify their use in various quantum technologies. Opening a new rule ... >>

Mini air conditioner Sony Reon Pocket 5 09.05.2024

Summer is a time for relaxation and travel, but often the heat can turn this time into an unbearable torment. Meet a new product from Sony - the Reon Pocket 5 mini-air conditioner, which promises to make summer more comfortable for its users. Sony has introduced a unique device - the Reon Pocket 5 mini-conditioner, which provides body cooling on hot days. With it, users can enjoy coolness anytime, anywhere by simply wearing it around their neck. This mini air conditioner is equipped with automatic adjustment of operating modes, as well as temperature and humidity sensors. Thanks to innovative technologies, Reon Pocket 5 adjusts its operation depending on the user's activity and environmental conditions. Users can easily adjust the temperature using a dedicated mobile app connected via Bluetooth. Additionally, specially designed T-shirts and shorts are available for convenience, to which a mini air conditioner can be attached. The device can oh ... >>

Energy from space for Starship 08.05.2024

Producing solar energy in space is becoming more feasible with the advent of new technologies and the development of space programs. The head of the startup Virtus Solis shared his vision of using SpaceX's Starship to create orbital power plants capable of powering the Earth. Startup Virtus Solis has unveiled an ambitious project to create orbital power plants using SpaceX's Starship. This idea could significantly change the field of solar energy production, making it more accessible and cheaper. The core of the startup's plan is to reduce the cost of launching satellites into space using Starship. This technological breakthrough is expected to make solar energy production in space more competitive with traditional energy sources. Virtual Solis plans to build large photovoltaic panels in orbit, using Starship to deliver the necessary equipment. However, one of the key challenges ... >>

New method for creating powerful batteries 08.05.2024

With the development of technology and the expanding use of electronics, the issue of creating efficient and safe energy sources is becoming increasingly urgent. Researchers at the University of Queensland have unveiled a new approach to creating high-power zinc-based batteries that could change the landscape of the energy industry. One of the main problems with traditional water-based rechargeable batteries was their low voltage, which limited their use in modern devices. But thanks to a new method developed by scientists, this drawback has been successfully overcome. As part of their research, scientists turned to a special organic compound - catechol. It turned out to be an important component that can improve battery stability and increase its efficiency. This approach has led to a significant increase in the voltage of zinc-ion batteries, making them more competitive. According to scientists, such batteries have several advantages. They have b ... >>

Alcohol content of warm beer 07.05.2024

Beer, as one of the most common alcoholic drinks, has its own unique taste, which can change depending on the temperature of consumption. A new study by an international team of scientists has found that beer temperature has a significant impact on the perception of alcoholic taste. The study, led by materials scientist Lei Jiang, found that at different temperatures, ethanol and water molecules form different types of clusters, which affects the perception of alcoholic taste. At low temperatures, more pyramid-like clusters form, which reduces the pungency of the "ethanol" taste and makes the drink taste less alcoholic. On the contrary, as the temperature increases, the clusters become more chain-like, resulting in a more pronounced alcoholic taste. This explains why the taste of some alcoholic drinks, such as baijiu, can change depending on temperature. The data obtained opens up new prospects for beverage manufacturers, ... >>

Random news from the Archive

Japanese asteroid reconnaissance Hayabusa-2 12.12.2014

The Japanese spacecraft Hayabusa-2 was launched. Its target is the relatively small asteroid 1999 JU3.

The launch was carried out using a Japanese two-stage H-2A launch vehicle equipped with liquid rocket engines from the Tanegashima cosmodrome, located on the island of the same name, south of Kyushu, on the border of the Pacific Ocean and the East China Sea.

The Hayabusa-2 mission was the second attempt by JAXA (Japan Aerospace eXploration Agency - Japan Aerospace Exploration Agency) to carry out an asteroid mission with the return of asteroid soil samples to Earth. The first (and so far the only one in the world) attempt was made in 2003. However, the Itokawa asteroid research program could not be carried out in full at that time due to a number of technical problems.

The main goal of the new expedition has not changed. "Hayabusa-2" must collect soil samples from the surface of the asteroid (possibly from near-surface layers) and return them in a special capsule to Earth for a detailed analysis of the composition of the asteroid matter. The mission also aims at the technological development of geological exploration on the surface of a small celestial body.

Asteroid 1999 JU3, discovered back in May 1999, has an elongated orbit, due to which, in its motion, it crosses the orbits of the Earth and Mars. This celestial body, 920 meters in size, revolves around the Sun with a period of 474 days and has its own rotation period of about 7,6 hours. Its surface albedo is small and is estimated at about 0,06.

The Hayabusa-2 apparatus (its weight is 590 kg) is equipped with two solar panels and a xenon ion thruster. After arriving in the vicinity of the target asteroid in mid-2018, the spacecraft will observe and study in detail the entire surface of the asteroid using a range of remote sensing instruments.

For direct research of the asteroid itself, Hayabusa 2 carries on board a 10-kilogram lander - a mobile reconnaissance vehicle on the surface of the asteroid MASCOT (Mobile Asteroid Surface Scout), a small impact impactor SCI (Small Carry-on Impactor) and a mini rover MINERVA 2 (MIcro / Nano Experimental Robot Vehicle for Asteroid), designed for detailed study of the surface.

The MASCOT lander was developed by the German space agency DLR (German Space Agency) in collaboration with the National Center for Space Research of France (Centre National d'Etudes Spatiales, CNES).

See full Archive of science and technology news, new electronics

All languages of this page

Home page | Library | Articles | Website map | Site Reviews