Petroleum jelly is commonly used as a personal lubricant, because it does not dry out like water-based lubricants, and has a distinctive “feel”, different from that of K-Y and related methylcellulose products. Is petroleum jelly a grease? What is Vaseline? … Continue reading →

It has the moistening feature that makes this possible. The petroleum jelly has a low melting point, thus it is not advisable to use in places where it is exposed to high temperatures. Further, Petroleum jelly has good electrical conduction … Continue reading →

Aluminium has been long been seen as a better potential base for batteries than lithium as it is able to exchange three electrons for every ion, compared to one for lithium, enabling up to three times more energy density. Why … Continue reading →

Rubies are one of the rarest gemstones. The rarest rubies come from Burma (Myanmar), due to their high quality and exceptional color. Good quality rubies larger than one carat are also extremely rare—and expensive. Are rubies rarer than diamonds? Gem-quality … Continue reading →

Developed independently in 1984 by General Motors and Sumitomo Special Metals, neodymium magnets are the strongest type of permanent magnet available commercially. What magnet is stronger than neodymium? Iron Nitride Permanent Magnet Stronger than Neodymium Magnet. What magnet is the … Continue reading →

Diamonds are considered gemstones – they fall under the same category; as diamonds, alike gemstones are naturally formed crystals produced from compounds/elements. However, what makes diamonds different from other gems, is that diamonds are formed from a single element, this … Continue reading →

Xenobots are collections of living cells and have no brain or digestive system. But in a real sense they can be programmed — to corral other cells, as in this study, or eventually to do other things. That’s why the … Continue reading →

A lithium battery can be charged as fast as 1C, whereas a lead acid battery should be kept below 0.3C. This means a 10AH lithium battery can typically be charged at 10A while a 10AH lead acid battery can be … Continue reading →

Some types, particularly lithium-ion and nickel-metal hydride batteries, can ignite or explode when damaged and set fire to other materials. In some cases, this leads to incidents requiring dozens of firefighters and the evacuation of residents, potentially putting lives at … Continue reading →

A typical alternator installation. Maintenance-free or sealed gel batteries cannot explode as there is no liquid acid present, and the chemical make-up of the battery differs from that of the lead acid type. This means that no hydrogen gas is … Continue reading →

LIFETIME HASSLE FREE GUARANTEE You should never have a problem with your Kobalt tool. However, if you do, return the item to the place of purchase for a free replacement. No questions asked. This warranty gives you specific legal rights, … Continue reading →