Miguel Oliveira

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Two layers of graphene make diamond-hard armor that can stop a bullet

Diamond-Hard Armor<p>The media tends to depict bullet-proof armor as something that’s thick and heavier than regular clothes. Despite being for bodily …

PiTunnel connects your Raspberry Pi to the world

Raspberry Pis are usually very lonely. These tiny, single-board computers sit quietly under desks or inside 3D printed cases, staring wistfully into the far distance while waiting for a little attention. Now, thanks to a side project by a programmer named Dimitri Raftopoulos, an app called PiTunnel …

Thousands of Indian cows have been fitted with tiny sensors to give farmers real-time data

Hundreds of thousands of Indian cows are constantly transmitting information about their health directly to their farmers.<p>For instance, Chitale Dairy in Bhilawadi, Maharashtra, produces 400,000 litres of milk every day, along with data from 10 generations of cows—200,000 of them—through unique …

Forestry

How to switch from Chrome to Firefox Quantum in under 2 minutes

Having used Chrome for ages, I’ve gotten used to the browser’s sluggish performance and gluttony for system memory, and I’ve a feeling I’m not alone.<p>With the launch of Firefox Quantum, we can finally break free from those shackles: the latest version of Mozilla’s browser uses an all-new CSS engine …

Five Technologies That Will Rock Your World

After the Russian hacking of the 2016 election, many people worry that technology has gone too far. And yet it continues to evolve rapidly.<p>Largely because of the success of companies like Google, Facebook and Amazon, investment in tech research continues to climb. At the same time, because of the …

Artificial Intelligence

How Nonprofits Can Show Funders What Success Really Looks Like

A new program called Grantseeker streamlines the grant application process while helping nonprofits collect and analyze data on key performance indicators, so organizations looking for funding will have the numbers to back up their efforts.<p>Several years ago, shortly after backing a nutritional …