21st Century Learning and Teaching

Fume from soldering iron can be very harmful to our health. Most of the cheap solder contains lead. Lead is a dangerous metal, and it can cause severe damage to our health even cause cancer. Usually, solder has 60% lead and 40% tin. So it is very toxic to our bodies. Even lead-free soldiers are harmful to our bodies! Because they contain resin in their core. And resin is also toxic. Every type of solder is less or more harmful.

So people using soldering iron for a long time, are in big danger. I'm one of them. So, I search for the solution on the internet and find many kinds of solder Fume Extractor, but they all are boring. So I decided to make my own, Fume Extractor which is a little smart. It can detect the smoke coming from the soldering iron and then turn on the Fan to extract the fume.

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https://gustmees.wordpress.com/2014/08/20/maker-space-a-new-trend-in-education-and-a-big-responsibility/

https://gustmees.wordpress.com/2016/11/27/electronics-starter-kit-for-makers/

Big data analytics can play a crucial role in helping patients get healthcare at a lower cost.

Today, healthcare costs are much higher than they should be and have been growing steadily over the past 20 years. In fact, according to a study by McKinsey, healthcare expenses represent nearly 17.6% of United States’ GDP. Due to the rising cost of healthcare, it’s time to look at smart, data-driven ideas.

From autonomous cars to Internet of Things, big data has percolated almost every industry. It’s no surprise that the healthcare industry, with its large amount of data, is on the verge of big data-driven transformation, perhaps more than any other field.

Healthcare analytics has the potential to reduce treatment costs, predict outbreak of epidemics as well as preventable diseases and improve the quality of life. Here are 5 examples of how big data analytics in healthcare can help save lives.

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https://www.scoop.it/t/21st-century-learning-and-teaching/?&tag=Big+Data...