A phone charging slowly could just be a case of using the wrong charger. If the cable seems loose or too tight, it might not be the right cable for your phone. You could also be using an old cable. … Continue reading →

(PhysOrg.com) — Currently, diamond is regarded to be the hardest known material in the world. But by considering large compressive pressures under indenters, scientists have calculated that a material called wurtzite boron nitride (w-BN) has a greater indentation strength than … Continue reading →

Although most scholars regard it as being entirely fictional, there are many locations that have been linked with King Arthur’s Camelot. Camelot was the name of the place where King Arthur held court and was the location of the famous … Continue reading →

Viking blacksmiths used a new technique, combining pure iron for the middle of the blade and steel along the edges. The steel often contained just a few, flat pieces of slag, indicating that it had been worked over a longer … Continue reading →

Powder metal components for motors generally consist of iron, nickel, and cobalt. Iron is the cheapest of the three, so many designers turn there first. Cobalt is rarely used on its own, but is sometimes added to iron. Nickel is … Continue reading →

It is also important to note that the aluminum can is not a charged object. While it contains charges, it does not have an overall charge. The number of positive and negative charges is equal. This balance of the two … Continue reading →

A charger with 15 amps, for instance, will take about two hours to fully charge a battery at a 25-percent discharge value. Chargers with only 5 amps, however, will need a full six hours with the same battery. Can you … Continue reading →

positively charged aluminium ions gain electrons from the cathode, and form molten aluminium. oxide ions lose electrons at the anode, and form oxygen molecules. What happens to the aluminum ions? The ions in the aluminium oxide must be free to … Continue reading →

Aluminium Advantages: The most abundant metal in the Earth’s crust, Aluminium is relatively soft, durable, lightweight, ductile and malleable metal. Disadvantages: It’s not particularly strong and is expensive compared to steel of the same strength. What are the disadvantages of … Continue reading →

The current will be limited by the internal resistance of the battery and the resistance of the wire you used. If the wire is small it may melt the wire and insulation from the heat and open the wire. If … Continue reading →

With these types of strengths in mind, here are some of the strongest metals you can find: Tungsten. Tungsten, which is Swedish for “heavy stone,” is the strongest metal in the world. Steel. Steel is the second strongest and the … Continue reading →

Solar Energy. Bill Gates-Funded Startup Unveils “Holy Grail” of Solar Energy. What company is the Holy Grail of modern technology? I write about tech & finance. Founded in 2015, OpenAI is one of the few companies — along with Google’s … Continue reading →

The company’s flagship product is a patented lightweight and flexible bulletproof tank top that can be worn discreetly under regular clothes. The shirt comes with different levels of protection, but the most basic model weighs about 2.4 pounds and is … Continue reading →