Category: pleasure of knowledge

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How do solar panels work?

The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy.

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Tuesday with bill-How NASA Will Look for Alien Life in the TRAPPIST-1 System, and Beyond

When NASA announced the discovery of the TRAPPIST-1 solar system in February 2017, humanity’s collective ears spiked. The system is made up of a dwarf star surrounded by seven “Earth-like” exoplanets at potentially habitable temperatures. If we want to know whether we’re alone in the universe or if...

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DNA -The Human Race

In the 1990s, the race to work out the structure of DNA 50 years ago was eclipsed by another race: to catalogue all the genes in the human genome. The rivalry became so bitter that presidents and prime ministers had to intervene in an epic endeavour that will...

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The Tell-Tale Brain: A Neuroscientist’s Quest for What Makes Us Human

V.S. Ramachandran is Director of the Center for Brain and Cognition and Professor with the Psychology Department and the Neurosciences Program at UC San Diego. A former BBC Reith Lecturer, he wrote Phantoms in the Brain: Probing the Mysteries of the Human Mind (with Sandra Blakeslee), and is...

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The secret of life -part 1

  The discovery of the double helix structure of DNA is to science what the Mona Lisa is to painting. It’s been called the single biggest discovery of all time. But it wasn’t just stumbled upon – it was a race. Specifically, it was a race between two...