The most effective prevention of the presence of corrosion is the elimination of calcium in the manufacturing of the battery. This is not common, but “pure lead” Absorbed Glass Mat (AGM) batteries utilize mechanical compression instead of calcium for structural … Continue reading →

The AGM and Gel batteries can be mounted on their sides with no problems, but should not be mounted upside down. Do AGM batteries need to be upright? Because the liquid electrolyte flows freely inside conventional batteries, they must be … Continue reading →

Car batteries operate on one-way direct current (DC) electricity, while alternators output alternating current (AC) electricity, which occasionally flows in reverse. Is a car alternator a DC motor? Given a controller, there is one more requirement for our alternator to … Continue reading →

The new material, a sponge-like configuration with a density of just 5 percent, can have a strength 10 times that of steel. In its two-dimensional form, graphene is thought to be the strongest of all known materials. Why is graphene … Continue reading →

If rarity boosts a gemstone’s value, tanzanite, which is mined from just one source, could be prized for that fact alone. All the world’s tanzanite is sourced from just 8 square miles (20 square kilometers) near Mount Kilimanjaro in Tanzania. … Continue reading →

Serendibite is largely used to craft the Boomite, Amethyst, Mithril, and Serendibite pickaxes. Why is Serendibite so expensive? Serendibite is so rare that it has only ever been mined three times and all three specimens are under a carat each, … Continue reading →

Layers of carbon one-atom thick can absorb blows that would punch through steel. Recent tests suggest that pure graphene performs twice as well as the fabric currently used in bulletproof vests, making it an ideal armour for soldiers and police. … Continue reading →

The price of rare earth praseodymium – used in magnets for EVs, smartphones and military equipment – has more than doubled over the past 14 months to about $102 a kg. This compares to a peak of about $250 a … Continue reading →

No you cannot, you will just blow up your items. Can u TNT mine diamonds? TNT isn’t the easiest tool to get hold of, and you’re frankly unlikely to have enough of it going spare to use on diamond mining … Continue reading →

The powerful magnets were banned in 2013, but the rules against using them in toys were lifted in 2016, leading to more emergency room visits. Is neodymium illegal? As of January 2017, many brands of magnet spheres including Zen Magnets … Continue reading →

Gross Balancing It takes almost one week for a BMS with a 1A balancing current to balance a 100 Ah pack that has some cells fully charged, and some cells totally empty. A balanced current of 10 mA cannot balance … Continue reading →

A pencil thick spider’s silk thread is capable of stopping a Boeing-747 in full flight. Can a spider web stop a human? This will completely restrict your movement, and well, things won’t work out for you. You’re either going to … Continue reading →

Oxygen is the 3rd most abundant element in the Universe: about 1% of all the atoms, by mass. How much oxygen is in the universe? Hydrogen and helium are estimated to make up roughly 74% and 24% of all baryonic … Continue reading →

It now appears all red clump stars have been enriched with lithium, and the extremely lithium-rich stars are only the tail end of the distribution. In our paper, we show that, on average, the stars increase their lithium content by … Continue reading →

The new batteries from GMG are composed of aluminum foil, aluminum chloride, ionic liquid, and urea. The benefit of these materials over lithium is their stability. This makes for a safer battery, with faster charging time and denser energy storage … Continue reading →