Cosmic zombies: Black holes can reanimate dead stars


Cosmic zombies: Black holes can reanimate dead stars



Close encounters with medium-size black holes can reanimate dead stars, if only momentarily, a new study suggests.

Comments

Post a Comment

Popular posts from this blog

Johnson & Johnson partners with BARDA to fund $1 billion in COVID-19 vaccine research

Image
Pharmaceutical giant Johnson & Johnson is partnering with the Biomedical Advanced Research and Development Authority of the U.S. Department of Health and Human Services to fund over $1 billion in COVID-19 vaccine and antiviral treatment research and development, the company said on Monday. The partnership is an expansion of an existing agreement between BARDA and J&J's Janssen Pharmaceutical Companies division. With the agreement, the company is setting a goal of providing a global supply of more than one billion doses of the vaccine, which J&J expects to have in clinical trials by September 2020 at the latest. from Yahoo Tech https://ift.tt/2JDqGEd
Read more

Deliveroo cuts ~15% of staff as coronavirus challenges food delivery

Image
Is it feast or famine for food delivery startups during the coronavirus pandemic? The UK's Deliveroo has confirmed it's axing more than 350 staff -- or around 15% of its global headcount. A Deliveroo spokesman blamed the cuts on the coronavirus crisis, saying the public health emergency has put pressure on the business to reduce long-term costs. from Yahoo Tech https://ift.tt/3cT72QQ
Read more

Twitter Q1: sales up 3% to $808M as it swigs to a loss on COVID-19, mDAUS hit record 166M

Image
Despite traffic for many online properties being at an all-time high, advertising has fallen off a cliff because of the downturn in consumer activity outside the home and the wider economic pressures resulting from the COVID-19 pandemic. The ad-based social networking and media company said that in Q1 it made $808 million in revenues, actually up 3% on a year ago, with monetizable daily active users (Twitter's own metric for measuring its audience) grew 24% to 166 million, an all-time high, adding 14 million average mDAUs since Q4 (152 million) and 32 million since Q1 of last year (134 million). Analysts had expected, on average, to see $775.96 million in revenues on earnings per share of $0.10, so Twitter beat on sales, and missed on earnings. from Yahoo Tech https://ift.tt/2zEqi6o
Read more