A dependent variable is what changes as a result of the independent variable manipulation in experiments. It’s what you’re interested in measuring, and it “depends” on your independent variable. In statistics, dependent variables are also called: Response variables (they respond … Continue reading →

Primary (single-use or “disposable”) batteries are used once and discarded, as the electrode materials are irreversibly changed during discharge; a common example is the alkaline battery used for flashlights and a multitude of portable electronic devices.Electric battery. First production 1800s … Continue reading →

Sub C batteries look like a small version of a Standard C size cell. They measure 23mm in diameter by 43mm in length. Both NiMh and NiCd Sub C cells are most commonly found in cordless power tools such as … Continue reading →

Yes, a Varta car battery is sealed, so this lead-acid battery is spill-proof. This construction prevents the electrolyte acids from evaporating, spilling and gassing. Are Varta car batteries sealed units? VARTA® offers a full portfolio of flooded lead-acid batteries that … Continue reading →

With a 25 month warranty across its range, it is little wonder that Willard Batteries remains one of the most respected and well loved brands in the country. Which is a better battery Exide or Willard? Willard is not what … Continue reading →

Eveready Battery Company. 1950s. Eveready Battery Company invents the first commercially viable cylindrical alkaline battery. Among other firsts were Eveready’s invention of miniature batteries for hearing aids, the 9 volt battery, and commercial watch batteries. When were 9V batteries invented? … Continue reading →

The public libraries will let you charge your phone and laptop (if you have one) all day long if you find a free outlet and you don’t cause drama. Coffee shops have outlets to charge stuff as long as you … Continue reading →

All phone cases do not drain your battery, but the thicker and bulkier cases can. Phone cases with a battery case attached would be considered bulky even on the best cell phone battery case. Can a phone case affect battery … Continue reading →

The MacBook Pro runs on all voltages available worldwide, including 100 to 240 volts at 50 or 60 Hertz and approximately 15 volts from the battery. A plug adapter is all you need. This is not just a double voltage, … Continue reading →

Warner Bros. “Joker” uses several iconic films from the 1970s as touchstones of inspiration, from Martin Scorsese’s “Taxi Driver” to Stanley Kubrick’s “A Clockwork Orange,” but one of the key differences separating the comic book drama from its 1970s influences … Continue reading →

The normal lens in cinematography A Super-35 digital cinema sensor – in common with 35mm motion picture film – has a diagonal of about 28mm. According to SMPE, this gives us a normal focal length of 56mm. What is considered … Continue reading →

Digital Stills and Motion Camera. DSMC2: What Does It Mean? DSMC2 stands for the second generation of RED’s Digital Stills and Motion Camera. The original DSMC moniker was coined by RED when it advertised that the original EPIC MYSTERIUM-X camera … Continue reading →

Renata offers a standard line of lithium ion polymer batteries, and our range of size and capacity will be expanded according to market requirements and project feasibility. What batteries are not lithium? Sodium-sulphur batteries are another alternative to lithium, and … Continue reading →

So, if you’re reading this, you’re probably wondering “Why is Murata Manufacturing on my Wi-Fi?” This means that you’ve scanned your network and seen this label on one device. This is nothing to worry about, and we’re going to put … Continue reading →

China is the world’s biggest market for EVs with total sales of 1.3m vehicles last year, more than 40% of sales worldwide. Chinese battery-maker CATL controls about 30% of the world’s EV battery market. Are 78% of electric car batteries … Continue reading →