Coatings ,sensors, electronics and more Graphene has a lot of promise for additional applications: anti-corrosion coatings and paints, efficient and precise sensors, faster and efficient electronics, flexible displays, efficient solar panels, faster DNA sequencing, drug delivery, and more. What products … Continue reading →

Graphene is stronger than steel and Kevlar, with a tensile strength of 150,000,000 psi. How many PSI can graphene withstand? Perfect graphene can take about 100 Gigapascals (14 million pounds per square inch) of force before it breaks. But the … Continue reading →

Battery Operated Motion sensor porch light. Battery-powered lights are another non-electrical option for lighting your porch. String lights. Much like the solar-powered version, these battery-operated string lights can be a fun way to light your porch without electricity. LED lantern … Continue reading →

How many solar panels do I need for 2000 watts? 8 solar panelsTo make up a 2kW Solar System you need 8 solar panels, assuming that you use 250W panels. Each panel will be about 1.6m x 1m, so you’ll … Continue reading →

Recharging, moving, or shaking a lead-acid battery can produce an explosive mixture of hydrogen and oxygen gases that escape through the battery’s vents. These fumes, if allowed to accumulate in a small area, ignite easily and can cause a fire … Continue reading →

The Yuasa datasheet shows 7Ah at the 20hour rate, falling to 6.4Ah at the 10 hour rate. So that battery from a reputable manufacturer is rated to last 20 hours at 350ma, falling to 10 hours at only 640 ma. … Continue reading →

Inverters themselves cannot overcharge a battery. All they can do is take power from a battery and convert it to AC thereby discharging a battery. However, if an inverter is combined with a charger, then the charger portion of the … Continue reading →

The Ampere Hour is defined as the number of hours a battery would last if it takes one Ampere of current. So, if a battery has 10 Ampere hour rating, it will last for 10 hours if it takes 1 … Continue reading →

If you want a second-hand car battery (Automotive battery) in Australia, you can swap your old one out for as little as $40. The regular cost of 12-volt battery for you car costs around $100 and $150. Whereas a premium … Continue reading →

Most car batteries comes with warranty. If it goes bad after a year, take the receipt and get it replaced. I’ve done that many times in the past. For vehicle that you are storing most of the time, try something … Continue reading →

Based on cycling requirements, three applications are most suitable for second-life EV batteries: providing reserve energy capacity to maintain a utility’s power reliability at lower cost by displacing more expensive and less efficient assets (for instance, old combined-cycle gas turbines), … Continue reading →

It can be because of a bug from the recent update, or perhaps there is some issues with the recently installed apps or current apps on their iPhone. The settings on your iPhone could also affect battery consumption. Can I … Continue reading →

Most experts tell beginners that if you’re going to invest in individual stocks, you should ultimately try to have at least 10 to 15 different stocks in your portfolio to properly diversify your holdings. What shares should a beginner buy? … Continue reading →

Graphite has a lower density than diamond. This is because of the relatively large amount of space that is “wasted” between the sheets. Graphite is insoluble in water and organic solvents – for the same reason that diamond is insoluble. … Continue reading →

Pure gypsum is white, but other substances found as impurities may give a wide range of colors to local deposits. Because gypsum dissolves over time in water, gypsum is rarely found in the form of sand. How do you identify … Continue reading →