Category: Science & Environment

Use any liquid with a higher density than rubber and with a high boiling point. For example, you can use heavy oils. Pour the shredded rubber into the liquid. Heat Read more

The human eye can see at around 60 FPS and potentially a little more. Some humans believe they can see up to 240 FPS, and some testing has been done Read more

How do you calculate the energy lost to friction? The energy lost due to friction is equal to the work done by friction, or Ffricd , where d is the Read more

Licking a 9 Volt Battery with SparkFun! What happens when you stick your tongue on a 9-volt battery? When we held the 9V to our tongue, about 1-2mA was flowing Read more

Negative reactive power generated means that reactive power is flowing from the utility grid (source) to the generator. This occurs whenever the generator field is under-excited or if an induction Read more

A gallon of gasoline (about 4 liters) contains about 31,000 calories. If a person could drink gasoline, then a person could ride about 912 miles on a gallon of gas Read more

If you have time, soften your ice cream in the refrigerator. This is an easy and extremely effective solution. Depending on your container’s size and the hardness of the treat, Read more

Google Maps offers two views for walking navigation: the 2D map and Live View. With Live View, you get directions placed in the real world and on a mini map Read more

The glass fiber within the cable is fragile and, although the cable has been designed to protect the fiber, it can be damaged more easily than a copper wire. The Read more

Due to fiber optics sending light beams down the thin strands of glass rather than electrical signals, these cables are not affected by weather changes. Rain, cold and extreme heat Read more