BYD. BYD (BYDDY) In 2008, Buffett’s company Berkshire Hathaway bought 225 million shares of BYD for $232 million. Berkshire’s latest shareholder letter shows it still held those shares as of Dec. 31, 2020 — except their market value had surged … Continue reading →

Metal armor is no longer practical. Although it had its benefits in the days of old, technology has rendered it obsolete. Metal armor is heavier and less flexible than the kevlar and ‘dragon skin” body armor used in combat and … Continue reading →

The Tsar Bomba. The Tsar Bomba is the single most physically powerful device ever deployed on Earth, the most powerful nuclear bomb tested and the largest man-made explosion in history. Which is the No 1 weapon in the world? Designs … Continue reading →

The strongest material in the universe may be the whimsically named “nuclear pasta.” You can find this substance in the crust of neutron stars. This amazing material is super-dense, and is 10 billion times harder to break than steel. What … Continue reading →

Electric car Safety The Lithium-ion battery is combustible and can catch fires, it has power cells that can cause short-circuiting if it is damaged. However, lithium-ion batteries have a much lower risk of fire explosions than gasoline in conventional vehicles. … Continue reading →

Net loss attributable to NIO’s ordinary shareholders in the third quarter of 2021 was RMB 2,858.9 million (US$443.7 million), representing an increase of 140.7% from the third quarter of 2020 and an increase of 333.6% from the second quarter of … Continue reading →

While other materials are being studied, lithium ion batteries still typically rely on LiPF6 dissolved in carbonate solvents, typically ethylene carbonate (EC), diethyl carbonate (DEC), dimethyl carbonate (DMC) and ethyl methyl carbonate (EMC). What is the organic solvent in a … Continue reading →

Lead’s high density makes it useful as a shield against X-ray and gamma-ray radiation and is used in X-ray machines and nuclear reactors. Lead is also used as a covering on some wires and cables to protect them from corrosion, … Continue reading →

Historically, graphite was called black lead or plumbago. Plumbago was commonly used in its massive mineral form. Both of these names arise from confusion with the similar-appearing lead ores, particularly galena. What is a plumbago pencil? Plumbago is a black … Continue reading →

Catalytic converters are still used in vehicles today. 1996: EPA bans the use of leaded fuel for on-road vehicles (leaded gasoline was down to 0.6 percent of 1996 gasoline sales). Lead is still used in some aviation fuels. Thanks to … Continue reading →

A sealed lead-acid battery can be stored for up to 2 years. During that period, it is vital to check the voltage and charge it when the battery drops to 70%. How long will a lead acid battery last if … Continue reading →

Start the day fully charged: Lead acid batteries should be charged every day after 15 minutes or more of use. Before using the following day, the machine must be plugged in and charged until the charger indicates the batteries are … Continue reading →

How does the Kings battery box work? The Kings Battery Box can be charged in two main ways. It includes positive and negative terminals that can receive charges.You can connect your car’s 12v system to the battery through these ports … Continue reading →

two. A twelve-volt battery has six single cells in series producing a fully charged output voltage of 12.6 volts. A battery cell consists of two lead plates a positive plate covered with a paste of lead dioxide and a negative … Continue reading →

Electrolytes are positively and negatively charged ions that conduct electrical activity to perform various functions within the body. Electrolytes must be present in proper concentrations to maintain fluid balance, muscle contraction and neural activity—all essential to high performance and basic … Continue reading →