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Author: engineering

Using a camera to spot and track drones

EPFL researchers have developed algorithms capable of detecting and tracking small flying objects using a simple camera. Credit: istock EPFL researchers have shown that a simple camera can detect and track flying drones. Plus, the lightweight, energy-efficient and inexpensive technology could be installed directly on the drones themselves and enhance safety in the skies. The rising number of drones in air space poses numerous challenges. Topping that list is our ability to simply detect these small unmanned aerial vehicles. Periodic…

Magnetic resonance is used to evaluate food quality

The device performs physical and chemical analyses of fruit, grains, olive oil, milk and meat, among other products. Credit: Fine Instrument Technology The applications and benefits of nuclear magnetic resonance (NMR) in medicine are well known, but the technology is also used in other areas, such as agribusiness, where its applications include quality analysis of seeds and other products of animal and plant origin. NMR has recently reached the retail commerce sector, where it expedites the assessment of meat and…

Why We Terminated Daily Stormer

Earlier today, Cloudflare terminated the account of the Daily Stormer. We’ve stopped proxying their traffic and stopped answering DNS requests for their sites. We’ve taken measures to ensure that they cannot sign up for Cloudflare’s services ever again. Our terms of service reserve the right for us to terminate users of our network at our sole discretion. The tipping point for us making this decision was that the team behind Daily Stormer made the claim that we were secretly supporters…

Fizzy soda water could be key to clean manufacture of flat wonder material: Graphene — ScienceDaily

Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these “bubbly” concoctions that will have major impact on the manufacturer of the world’s thinnest, flattest, and one most useful materials — graphene. As graphene’s popularity grows as an advanced “wonder” material, the speed and quality at which it can be manufactured will be paramount.…

Lake Michigan could best support lake trout and steelhead — ScienceDaily

Invasive mussels and less nutrients from tributaries have altered the Lake Michigan ecosystem, making it more conducive to the stocking of lake trout and steelhead than Chinook salmon, according to a recent U.S. Geological Survey and Michigan State University study. Reduced stocking of Chinook salmon, however, would still support a substantial population of this highly desirable recreational salmon species, which is a large contributor to the Great Lakes multi-billion-dollar recreational fishery. “Findings from our study can help managers determine the…

Square Code Camp 2017 – Square Corner Blog – Medium

This week, Square’s Atlanta Office welcomes 13 college-aged women pursuing careers in engineering. We launched Code Camp in 2012 to inspire, educate, and empower the next generation of women in technology. Today we’re kicking off the inaugural Code Camp Atlanta, and we’re excited to show off a Square office that’s integral to our robust engineering team. Our 13 stellar participants are joining us from universities near and far: from USC to Harvard to Spelman to UT Austin. They’re in for…

@Scale 2017 agenda is live! | Engineering Blog | Facebook Code

The 2017 @Scale Conference is coming up August 31 at the San Jose Convention Center. This year’s event will feature tech talks by representatives of leading companies building technology at scale. Adobe, Amazon, Facebook, Google, Microsoft, Netflix, NVIDIA, Okta, Qualcomm, Shopify, Unity, Vicarious, and others will share innovative and scalable approaches to data management, developer tools, site reliability, video, machine learning, and technology for emerging markets. This year will feature keynotes from Jay Parikh, head of engineering and infrastructure at…

Unpacking the Android Bundle with AutoValue Extensions at Uber Engineering

The Android Bundle is a convenient and sometimes necessary object for wrapping data to pass across process boundaries and send with intents, as well as to store state between configuration changes. Unfortunately, wrapping data in a Bundle often requires repetitive and error-prone code. What makes this even worse is that a Bundle attached to an intent from GCM (Google Cloud Messaging) loses type information because GCM serializes the data as String-String key-value pairs. When investigating a solution for how to…

Researchers discover that fluorescence in ligand-protected gold nanoclusters is an intrinsic property of the gold particles themselves — ScienceDaily

With their remarkable electrical and optical properties, along with biocompatibility, photostability and chemical stability, gold nanoclusters are gaining a foothold in a number of research areas, particularly in biosensing and biolabeling. These gold nanoclusters are chemically protected by ligands, which also steer the binding to biological target molecules. There is still much that researchers don’t know about the luminescent properties of ligand-protected gold nanoclusters, including the origin of their fluorescence. An international research team from Switzerland, Italy, the United States…

$1 billion tower lifts San Francisco skyline to new heights

In this photo taken Saturday, July 22, 2107, the setting sun is reflected on the Salesforce Tower in the San Francisco skyline in this view from Sausalito, Calif. Construction crews are putting the finishing touches on San Francisco’s new tallest building. The 61-story Salesforce Tower and an adjacent transit center represent a shift in San Francisco, one that pits the technology industry against the city’s charming neighborhoods. (AP Photo/Eric Risberg) More than 60 stories above the ground, construction workers climb…