The best explanation is simple light refraction going through the bag of water that confuses the housefly. … The fly bases his movement by light and the refracted light coming through the water in the plastic bag confuses the fly causing him to move on to a place that isRead More →

Silver pennies were not actually made of silver, but rather of steel that had been thinly coated in zinc. For a collector’s item, these coins are relatively common, and are easily found in coin shops, even though it is rare to accidentally find a silver penny still in circulation. HowRead More →