Technology company OpenAI has released the paid version of ChatGPT. For 24.20 dollars per month, the chatbot works faster and without a queue. Paying users can also be the first to try out new features. It is not yet mandatory to switch to the paid version of ChatGPT. Those who do not pay may face queues. In busy times, paying …

After about nine months of ground and flight tests, the Swiss Federal Office of Defense (armasuisse) handed over the first two of six Elbit Hermes 900 HFE (Heavy Fuel engine) reconnaissance drones ordered in 2014 to the Swiss air force in January 2023. The aircraft was approved by the military aviation authority MAA in December 2022. The Swiss Air Force …

For the transition to a sustainable energy system, techniques are needed to convert renewable energy, such as solar energy, into fuels, such as hydrogen. This is important for energy storage and applications that cannot yet go without power, such as aircraft. Hydrogen can already be produced sustainably, for example by using power from solar panels to power a so-called electrolyser …

Natural snow is becoming increasingly rare, which means that snow cannons will have to be used more and more in the future. And they can significantly increase the price of ski holidays. For many people, a snow holiday is as much a part of the end of the year as Christmas trees and fireworks. But as global warming continues unabated, …

The depth of a lake proves to be decisive for the success of aquathermy projects in Switzerland. Seawater is the source of heat for 1,300 French homes. And the Germans are building a water pump near Mannheim that will probably become the largest on our continent. A selection of the aquathermy projects in Europe that the Aquathermy network gathered to …

Two planets orbiting a star other than the sun are probably about half water. This would mean that they contain more water than the Earth, scientists conclude in new research. These are the planets Kepler-138 c and Kepler-138 d. they are about three times the size of the Earth and weigh twice as much. The planets orbit the star Kepler-138, …

The Swiss coffee producer Nespresso, part of Food Group Nestlé, will market its own biodegradable coffee cups for its home coffee machines next year. The company wants to fend off competitors, who are trying to gain a place in this lucrative market by offering fully compostable coffee cups for Nespresso machines. The paper-based capsules for home use will be launched …

The last eight years, between 2015 and 2022, will be the warmest on record. This is reported by the World Meteorological Organization (WMO) in a new preliminary report, just before the climate summit COP27 starts. Extreme heat waves, droughts and floods have already affected millions of people this year and cost billions. The signs and impact of climate change are …

A number of large companies are temporarily stopping advertising on Twitter due to the acquisition by Elon Musk. This is reported by The Wall Street Journal on an insider basis. These include pharmacist Pfizer and snack manufacturer Mondelez. Automotive brand Audi and food manufacturer General Mills confirm to the newspaper temporarily not to show ads on Twitter. Advertisers are concerned …

The rocket with which the last section of the Chinese space station was launched at the beginning of this week returned to the atmosphere over the southern part of the Pacific Ocean on Friday. A few debris have fallen into the Pacific Ocean, several hundred kilometers south of Mexico. Most of the rocket was burned in the atmosphere, the Chinese …