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Coffee stains inspire new printing technique – Mirage News

Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics – the coffee-ring…

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Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics – the coffee-ring effect.
Coffee rings form because the liquid evaporates quicker at the edges, causing an accumulation of solid particles that results in the characteristic dark ring.
Inks behave like coffee – particles in the ink accumulate around the edges creating irregular shapes and uneven surfaces, especially when printing on hard surfaces like silicon wafers …

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Stop Saying Isaac Newton Was an Overachiever in Lockdown. Here’s The Reality – ScienceAlert

There’s no doubt that modern science owes the 17th century English polymath Sir Isaac Newton some gratitude. You don’t get a whole unit of force named after you…

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There’s no doubt that modern science owes the 17th century English polymath Sir Isaac Newton some gratitude. You don’t get a whole unit of force named after you for nothing.
But if you’re feeling guilty that your time in isolation hasn’t been as productive as his was reported to have been, go easy on yourself; his Annus Mirabilis wasn’t as mirabilis as you might think.
In a year short on inspiration and big on staring wistfully out of windows in hopes that 2021 has a little less plague, smoke,…

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Victoria records 21 new cases of coronavirus, seven deaths – WAtoday

Victoria has recorded just 21 new cases of COVID-19 in the past day and seven more deaths.

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“It is a combination of indoors which is 20 times more dangerous than outdoors. And the length of time you spend.
“There are brief encounters indoors, as you get your takeaway coffee, it is much less of a risk. But if you are indoors for a protracted period of time that is exactly when transmission occurs. People need to be aware of that.”
Since Monday, Victorians living alone have been allowed to visit a ‘bubble buddy’. Regional Victorians can now host up to five visitors from one nominated h…

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New study suggests icebergs may not have sunk the Titanic eventually – haveeruonline

From popular mechanicsThe new paper has solar flare activity Contribute to sinking of giant. Sun Emits a huge solar storm It can even cut off power on

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From popular mechanics

  • The new paper has solar flare activity Contribute to sinkingof giant.
  • Sun Emits a huge solar storm It can even cut off power on Earth.
  • The correct (wrong) type of solar flare may have hindered your navigation. and Radio, affecting giantTrajectory and structure correspondence.

When you think you know everything we need to know giantIt comes with exciting new research that raises big questions about what really happened on the fateful night…

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