An LED lantern for battery operated lamps: A prototype

This article is a part of a series about the design of small, battery-operated lamps, and a project in India.For more, see the “Artificial lighting for small devices” series. In India, many manufacturers are developing lanterns that use LEDs and other energy-saving technologies. The lamp is also known as a LED lamp, and the LED light sourceRead More

How to calculate the average score in NHL games

A hockey statistician will be on hand on Saturday at the United Center to analyze the stats for the 2015-16 season.The NHLPA has put together a team of statistical analysts to analyze all the games and to evaluate each game and player for potential biases and statistical anomalies.Here’s a quick look at what you needRead More

Electric-powered lanterns for sale at EVL-Nexus event

A new category of electric lanterns are set to make their way onto the market next year.In 2016, EVL launched its first-ever electric lantern, the Lithium Ion battery operated lantern.This is a compact, lightweight, low-cost and easy-to-use lantern that can be easily powered by an inverter or battery pack.The lantern uses a unique solar cellRead More

How to recharge your smartphone battery?

Operated by the Chinese-owned Chinese e-commerce giant Alibaba, the Chinese version of the app is a smartphone-like app that allows users to download a battery-operated lantern and run it for a couple of minutes, and then record the result.The app is available in more than 70 countries, and it was the first to be availableRead More

What is an ‘artificial light’ and why are we getting it?

By James TaylorPublished February 20, 2018 4:12PMUpdated February 21, 2018 1:30AMIf you’re a new mom or new dad, you’re probably wondering about the use of lightbulbs in your home.You’ve probably heard of light bulbs as “artificial lights” or as “light-emitting diodes” or LEDs.But is this really what we need?For starters, it’s important to remember thatRead More

Which is the best electric vehicle battery?

The electric vehicle industry is set to be a $1 trillion market by 2025 and its market size will increase dramatically in the coming years.But how much will that growth come in real terms?Here are some key questions about the industry:1.Will there be enough battery capacity to drive the next generation of electric cars?2.How longRead More