ScienceU campers find out using the "ruler test". If you know the rate of falling objects (9.8 meters per second squared) you can convert the distance recorded on the ruler to the speed of your ...

As well as the ruler test, reaction times can be assessed through simple computer games such as the Human Benchmark Reaction Time Test which involves waiting for a red box to turn green and then ...

The reaction test can be played here, and is the brainchild of Just Park. It features an animation of a car's dashboard, as if you're behind the wheel. To try it, simply hit the green 'Start ...

Humans Holiday brain-off round 2: Test your reaction time Who in your family has the sharpest reflexes? To find out, all you need is a ruler and this table of numbers By Caroline Williams ...