Mars, the fourth planet from the sun, has always been a source of curiosity for people. For years, scientific explorations have helped people on Earth to know more about the Red Planet. The images of the planet never fail to fascinate people. Just like these ones tweeted by NASA which may make you gasp in wonder.
“Beautiful Mars! Our Mars Reconnaissance Orbiter launched 15 years ago today to study the Red Planet’s atmosphere, weather, subsurface water, and more. But the mission might best be kn…

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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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When supermarket owner Tina Reddrop learned the partner of a staff member had COVID-19, she took no chances.
Key points:

• A staff member at Supa IGA Werribee tested positive to COVID-19
• Store owner Tina Reddrop is surprised she has still not heard from contact tracers two weeks later
• No other staff at the store have tested positive

“We asked her to immediately get tested,” Ms Reddrop said.
“Members of staff who were in contact with her were also asked to self…

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