Declassified Cold War code-breaking manual has lessons for solving ‘impossible’ puzzles
Picture: NSA
The United States National Security Agency — the country’s premier signals intelligence organisation — recently declassified a Cold War-era document about code-breaking.
The 1977 book, written by cryptologist Lambros Callimahos, is the last in a trilogy called...
New warp drive research dashes faster than light travel dreams – but reveals stranger...
Image: Shuttlestock
In 1994, physicist Miguel Alcubierre proposed a radical technology that would allow faster than light travel: the warp drive, a hypothetical way to skirt around the universe’s ultimate speed limit by bending the fabric...
From fireballs in the sky to a shark in the stars: the astronomical artistry...
Picture: Elsie Passi, Author provided
When Uncle Segar Passi watches the position of the setting Sun from his front patio, he notes its location and relates that to the time of year and changes in...
Snooze blues? How using your favourite song as an alarm can help you wake...
"Good day Sunshine"
This morning after awakening when the alarm went off, you may have experienced a feeling of grogginess and lack of alertness. This is a physiological phenomenon termed “sleep inertia”. If you...
Researchers have grown ‘human embryos’ from skin cells. What does that mean, and is...
A human blastocyst. Researchers have now created ‘model’ versions of this early embryonic structure by reprogramming human skin cells. Harimiao/Wikimedia Commons
Researchers have successfully grown model versions of early human embryos by “reprogramming” cells from...
It’s not just doorways that make us forget what we came for in the...
Shutterstock/Lava images
Imagine you’re in the middle of watching a riveting episode of your favourite TV show. You decide the situation calls for popcorn, so you get up and head to the kitchen.
But when you...
Is “clean coal” a scam or a legitimate solution? – Part 2
Presents a series of grounded science based articles covering Evolution, Global Warming, Genetic Modified Organisms (GM's), Logic, Nature of Science, Vaccines/Alt.Medicines.
This is Part 2 of the article, "Is “clean coal” a scam or a...
Is “clean coal” a scam or a legitimate solution? – Part 1
Presents a series of grounded science based articles covering Evolution, Global Warming, Genetic Modified Organisms (GM's), Logic, Nature of Science, Vaccines/Alt.Medicines.
“Clean coal” has once again become a hot topic.
Yet most people don’t seem to...
Don’t mistake an assumption for a fact
Presents a series of grounded science based articles covering Evolution, Global Warming, Genetic Modified Organisms (GM's), Logic, Nature of Science, Vaccines/Alt.Medicines.
I want you to imagine for a minute that you have been selected for...
Saturday Science Session – The problem with “just asking questions”
Presents a series of grounded science based articles covering Evolution, Global Warming, Genetic Modified Organisms (GM's), Logic, Nature of Science, Vaccines/Alt.Medicines.Asking questions is generally a good thing.
Indeed, questions are the very foundation of...
