Much has been written about the physics of pinewood derby cars, and this is one rare case in racing where heavy = fast. Aerodynamics have little effect in such a short race, but weight does and putting the weight at the back of the car will make your car faster…
The artificial playing surface is actually watered on purpose before each hockey game in order to improve play. GreenFields, an artificial turf systems company, said: “The pitch is fully irrigated with a layer of water which results in an extremely fast and professional game. The reason why a field hockey…
There is an inherent selfishness in hedonism — by focusing on their own personal search for pleasure, hedonists put themselves before others, and neglect their responsibilities. Is hedonism self centered? This is sometimes known as psychological hedonism, the view that our behavior is driven not just by self-interest of any…
However, a new study on the Hoka Conquest shoe – one of the most cushioned shoes on the market – recently discovered that this cushioning and forced bounce might actually be contributing to running injuries and pain. When we recommend Hoka to our patients we usually do so because we…
This “earth ground” is a very important part of your electrical system to ensure electrical safety. According to the National Electrical Code, or NEC, a ground system should have a grounding resistance of 25 ohms or less. 2 Achieving this may require more than one ground rod. I thought that…
Hard-boiled eggs are an excellent source of lean protein. They’ll fill you up without packing in too many calories, which is helpful if you want to lose weight. The protein in hard-boiled eggs also works alongside vitamin D to promote prenatal development. One large hard-boiled egg (50 grams) provides (…
The vertical columns on the periodic table are called groups or families because of their similar chemical behaviorchemical behaviorChemical properties describe the characteristic ability of a substance to react to form new substances; they include its flammability and susceptibility to corrosion. All samples of a pure substance have the same…
Although harmonic balancers are not musical instruments, they do control resonance inside the engine, which is music in some circles. There are three types of engine vibration that engine builders try to minimize. “If you have a fluid style balancer, the amount of rubber that is between the hub and…
The color of the light is determined by the chemical composition of the phosphor. Fluorescent grow lights come in two forms: compact fluorescent lights (CFL) and fluorescent tubes. CFL grow lights differ from regular CFLs in that they come in larger sizes, provide higher wattages, and put out a broad…
After mining through their data, CMB discovered both male and female Harvard students are the most liked here in the Hub, with men receiving a 33.1 percent “like” rate and women a 32.4 percent. On a national scale, Harvard men fell to third in attractiveness, losing to the gents at…