HDMI connectors are available in three sizes: standard, mini and micro. There are also different types of HDMI cable (see the chart below). Not all cables use the logo but the cable specifications should indicate whether it is Standard, High … Continue reading →

I have a Nikon D3400, which does not support high speed sync. So the maximal shutter speed I can use with an external flash is 1/200. Which Nikon supports high speed sync? Using high speed sync mode with your Nikon … Continue reading →

EN-EL14a Rechargeable Li-ion Battery — longer battery life due to the D5300’s energy-saving design [NEW] The D5300’s superior energy-saving design allows you to shoot approx. 600 shots per charge* with the EN-EL14a Rechargeable Li-ion Battery that features a highly efficient … Continue reading →

Can wireless charging go through wood? This doesn’t solely apply to wood, mind you, but to virtually any surface that doesn’t impede the inductive charge. In other words, you can definitely get the benefit of wireless charging through wood tables, … Continue reading →

Video Quality At its highest resolution and 60p framerate, the D3300 produces very good, detailed video. At this framerate action is quite smooth, so it might be ideal for things like casual video of kids’ sporting events. Does Nikon D3300 … Continue reading →

The lead–acid battery has a low energy density of 25–35 Wh/kg, although it has passed through many years of development. However, the power density is as high as 150 W/kg. What is energy density in a battery? Battery energy density … Continue reading →

Energy density is sometimes useful for comparing fuels. For example, liquid hydrogen fuel has a higher specific energy (energy per unit mass) than gasoline does, but a much lower volumetric energy density. What is the correct definition of specific energy? … Continue reading →

Probably not. Most reported hysterical strength examples describe a person lifting a portion of a vehicle several inches off the ground, and not an entire automobile. How many humans does it take to lift a car? People can safely lift … Continue reading →

Alkaline AA batteries weigh about . 8 ounces or about 22.5 grams, while lithium AA batteries weigh about . 5 ounces or just over 14 grams. Rechargeable batteries are heavier, so rechargeable AA batteries weigh about 1.1 ounces or 31 … Continue reading →

List of Things That Weigh One Kilogram One liter of water. Japanese Marten. Haitian Solenodon. A Pineapple. Cuban Solenodon. A Bunch of Bananas. Lesser Grison. Fennec’s Fox. What weighs about 1 kg? A small paperclip weighs about a gram. A … Continue reading →

Their comments illustrate an unmistakable truth: Tasers are painful. People shocked by them often call the experience the most painful of their lives. “Every inch of your body is going through excruciating pain,” said Bryan in a court deposition. Does … Continue reading →

Mazda Makes the Lightest Compact SUV on the Market The lightweight Mazda CX-3. Each year, more small SUV choices emerge. A fun ride. RELATED: Mazda Uses a Special Design Philosophy for All of Its Cars. Excellent safety ratings. So the … Continue reading →

lithium-ion. Today, lithium-ion is one of the most successful and safe battery chemistries available. Two billion cells are produced every year. Lithium-ion cells with cobalt cathodes hold twice the energy of a nickel-based battery and four-times that of lead acid. … Continue reading →

Hybrid cars are combination of two systems. Gasoline Engine and Part of Electric Vehicles. The level of transition between the electric propulsion system (motor+battery+gearbox) and gasoline propulsion system (IC Engine + Gear Train) will be slower than compared to pure … Continue reading →

The new tile features a higher max power output of 71.67 watts: With more efficient solar cells, Tesla managed to maintain the same tile size with a 22% increase in max power output. It will enable Tesla to fit more … Continue reading →