New hybrid solar cell battery could solve solar power’s energy storage problem

solar-panel-houses1

Researchers at Ohio State University have created a new hybrid device that can act both as a solar cell and as a battery storing that energy.

Scientists, entrepreneurs and government leaders are pushing to develop cheap, clean energy as the world seeks out alternatives to fossil fuels.

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Input from humans can make the Internet of Things smarter

internet of things

Internet of Things (IoT) systems usually consist of a set of sensors that collect information, which is then transmitted between different devices without human intervention. At the same time, today’s mobile infrastructure — the devices, the apps — is typically all about human interaction.

 

 

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America is the no-vacation nation

vacation at desk

The U.S. is the only advanced economy in the world that doesn’t guarantee workers paid vacation.

There’s a problem in the United States when it comes to Americans taking a vacation. Four in 10 employees offered paid time off don’t use it all, which is kind of a slap in the face to those who don’t take a vacation because they can’t afford a vacation without pay.

 

 

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Why high schools should teach social media skills to students

social media schools

Social media is a very real and ongoing aspect of our everyday lives.

Recently, there has been some discussion on what schools should be teaching students. The United Kingdom announced last month to add cybersecurity to its curriculum in response to a lack of education in the field and the rising industry skills gap.

 

 

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The growth of free Wi-Fi is transforming life in Africa

wifi africa

Free hotspots are widespread in South Africa.

2014 is the “watershed year” for Wi-Fi, according to Ruckus Wireless. The company predicted the number of hotspots across the world would increase to 5.8 million by next year, an increase of 350 per cent from the number in 2011. (Video)

 

 

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We harvest the blood of half a million horseshoe crabs a year for medical science

blood harvest

Harvesting the blood of horseshoe crabs.

The marvelous thing about horseshoe crab blood besides the baby blue color, is a chemical found only in the amoebocytes of its blood cells that can detect mere traces of bacterial presence and trap them in inescapable clots.

 

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3D printed dental crowns while you wait

dental crown

The digital design of the crown is transmitted to a CNC (computer numerical control) milling machine.

By Saul Kaplan: As a tech junkie and geek wannabe I’ve been paying attention to 3D printing and the exploding maker movement. When I say paying attention, I mean reading about it, watching hackers and hobbyists make stuff, and wondering if there is more to the technology than the brightly colored plastic tchotchkes cluttering my desk. 3D printing really hasn’t affected me yet. That is until I recently chipped a tooth and had no choice but to visit my family dentist. It was the dentist’s chair that more than any article or demo converted me to the potential of 3D printing. Sometimes disruption has to hit you right in the mouth before you pay attention.

 

 

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