Um novo relatório do painel afirma que as provas irrefutáveis apoiam uma origem natural para o surto da COVID-19 que assolou pela primeira vez Wuhan, China, em Janeiro de 2020.A acrimoniosa discussão sobre as origens da pandemia de COVID-19 reacendeu-se esta semana com um relatório de um painel de especialistas concluindo que a SARS-CoV-2...
Crédito: SPbUInvestigadores da Universidade de São Petersburgo e os seus associados internacionais criaram o primeiro ferromagnetismo bidimensional do globo em grafeno. A utilização do estado magnético obtido do grafeno pode tornar-se a base de um método atual para a eletrónica, aumentando a sua eficiência energética e velocidade ao estabelecer ferramentas utilizando tecnologias alternativas sem...
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