Seconds.
With a long measuring tape!
the length of how long you can jump
You measure the distance from the line that the person jumped from to the back part of the foot print closest to it.
to measure using the metric system to measure a meter
I know because as long as there is no physical obstruction between a light-source and my eyes, and my eyes are open, I can always tell instantly whenever the source is activated or deactivated, without touching anything or getting any hints. I do that by seeing the light, and my instantaneous correct responses prove that it works.
you would need a high speed video camera and a really good stop watch like one that has split timing to 1000 of a second and then film some one blinking normally with the stop watch next to their eyes so when you play the film back you can do it frame by frame so you can see the blinks and the time and calculate it from there.
Guineapigs can go at least 6-9 hours without blinking
The Average person can keep their eyes open for about 10 seconds. :D
However long it takes from them to stop blinking to the time it takes them to start blinking again.
chances are you aren't blinking and your eyes are getting dry. If you do it often enough, you can develop a condition known as "dry eyes" and will need to use a lubricant in your eyes (such as "Refresh") on a regular basis.
To look into a girl's eyes mysteriously, focus on maintaining eye contact with a slight intensity. Gaze deeply into her eyes without blinking excessively, but don't stare for too long either. Create an air of curiosity and intrigue by occasionally glancing away and then returning your gaze to her eyes, keeping her wondering about your thoughts and intentions.
Decorative blinking lights work in a series. As long as the series is completed and a blinking specific light is in place you have a beautiful display of blinking decorative lights.
A millisecond is one thousandth of a second. Light can travel about 300km in a millisecond. Blinking usually takes between 300 and 400 milliseconds.
Puppies open there eyes between 2-3 weeks of age.
Yes, to stare means to look at someone or something for a long time without blinking. It usually implies a fixed gaze and can sometimes be considered rude or intrusive.
Not blinking for a long time, always on the computer for a long time, physically hurting it, of course.
The note that is a quarter of a measure long varies between time signatures. In the most common time signature, 4/4, the quarter note is a quarter of the measure. In 2/8 time, the eighth note is a quarter of the measure.