How did the Romans do the calculations necessary for construction and other purposes using Roman numerals?
The Romans were skilled architects and engineers the likes of which the world had not seen before. They built huge elaborate and perfectly balanced structures that are not only still standing but still in use 2,000 years later. However their number system, whilst useful, was anything but straight forward. So how did the Romans manage to do the calculations necessary for construction using this rather unwieldy number system ?
What is the best way to avoid jet lag ?
If you’ve traveled by aeroplane to anywhere in a different time zone you’ll know the crippling effects that “jet-lag” can inflict on your body – wide awake at 3am but ready for sleep by lunchtime.
How does water from the soil reach the top of trees ?
How does moisture from the soil reach the top of tall trees? : This is one of those questions we all think we know the answer to but you’d be surprised to know what the answer really is.
How do Astronauts wash in space?
If you’re one of the human races few that are going to “boldly go where no man has gone before”, then keeping clean could be a problem in zero-gravity
What is the Memory Capacity of the Human Brain ?
The human brain is a truly remarkable organ, so too is the human memory. As humans we posses a marvel of nature. An organic system capable of storing and recalling facts, figures and past events with ease and in split seconds. So, What could the memory capacity of the human brain be?
How does Recycling Work ?
There is an ever growing collective awareness of the consequences of the damage that mankind is doing to mother Earth as a consequence of our mass consumer, throw away lifestyles. Consequently more and more people are getting into recycling. But what happens to it AFTER we place it in the recycling bins ? Where and how is it recycled ?
Do Animals have a built in compass ?
How do birds migrate ? And do other animals have a built in compass ? In this article we look at ‘Animal Magnetism’.
How does the Open Source model work ?
On the face of it, in a capitalist society where you only work for financial and personal reward where the profit margin is everything, the open source model shouldn’t work. So what is it and how does it work?
How Does the US Presidential Electoral System Work ?
Hanging Chads, Electoral Collages, Primaries … the US electoral system can seem a bit confusing to Europeans. In this article we look at how the U.S. Presidential electoral system works.
How does an Atomic Clock Work ?
The most accurate time piece today is an Atomic Clock. But how does it work & what’s the theory behind it ?
There’s a new kid in town. There’s a new intelligence that psychologists are calling “Emotional Intelligence” … colloquially we might call it “street smarts”
How does a Microwave Oven Work ?
Microwave ovens are part of everyday life. But how to they work?
How was the order of our alphabet determined?
Is there any particular reason why A comes before B or that Z is the last letter of the alphabet? We delve here into the origins of this and the system of writing.
How is Cider made
How is cider made and how is non-alcoholic apple juice produced ?
How does a Nuclear Bomb work ?
Ever wondered how a nuclear bomb works? Here we look at the physics behind two types of these horrific devices: The Atom (or Fission) bomb and the Hydrogen (or Fusion) bomb.