#JT60Años | 👨🔬 Es conocido por haber descubierto la reacción termita y coinventor de la amalgama de sodio. La termita es una mezcla que produce una reacción extremadamente exotérmica, se oxida aluminio y se reduce óxido de hierro (III) o bien óxidos de otros metales. Se emplea en soldadura térmica.
📌 Ese proceso lo inventa en 1893, patentó en 1895 y publicó en un documento extenso en 1898. La amalgama de sodio y mercurio empleada en síntesis orgánica. Johannes Wilhelm “Hans” Goldschmidt muere en Baden, Baden el 21 de mayo de 1923.
#JT60Años | 👨🔬 Es conocido por haber descubierto la reacción termita y coinventor de la amalgama de sodio. La termita es una mezcla que produce una reacción extremadamente exotérmica, se oxida aluminio y se reduce óxido de hierro (III) o bien óxidos de otros metales. Se emplea en soldadura térmica.
📌 Ese proceso lo inventa en 1893, patentó en 1895 y publicó en un documento extenso en 1898. La amalgama de sodio y mercurio empleada en síntesis orgánica. Johannes Wilhelm “Hans” Goldschmidt muere en Baden, Baden el 21 de mayo de 1923.
But Telegram says people want to keep their chat history when they get a new phone, and they like having a data backup that will sync their chats across multiple devices. And that is why they let people choose whether they want their messages to be encrypted or not. When not turned on, though, chats are stored on Telegram's services, which are scattered throughout the world. But it has "disclosed 0 bytes of user data to third parties, including governments," Telegram states on its website. Since January 2022, the SC has received a total of 47 complaints and enquiries on illegal investment schemes promoted through Telegram. These fraudulent schemes offer non-existent investment opportunities, promising very attractive and risk-free returns within a short span of time. They commonly offer unrealistic returns of as high as 1,000% within 24 hours or even within a few hours. WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world. But Kliuchnikov, the Ukranian now in France, said he will use Signal or WhatsApp for sensitive conversations, but questions around privacy on Telegram do not give him pause when it comes to sharing information about the war. Crude oil prices edged higher after tumbling on Thursday, when U.S. West Texas intermediate slid back below $110 per barrel after topping as much as $130 a barrel in recent sessions. Still, gas prices at the pump rose to fresh highs.
from cn
