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Engineering News

Is punishment as effective as we think? — ScienceDaily

Punishment might not be an effective means to get members of society to cooperate for the common good, according to a social dilemma experiment. A game to study human behavior has shown punishment is an ineffective means for promoting cooperation among players. The result has implications for understanding how cooperation has evolved to have a formative role in human societies. Human societies maintain their stability by forming cooperative partnerships. But, cooperation often comes at a cost. For example, a person…

This ambulance cart could transform health care access in Tanzania

An illustration of the Okoa Project’s ambulance, which attaches to motorcycles in hard-to-reach rural areas. Credit: MIT Sloan School of Management In Tanzania, rural villages are often hours from medical facilities. Mortality among pregnant women is a grave problem: Lack of health care access results in complications and even death for either mother or baby. As many as 400 women die for every 100,000 live births. The Okoa Project aims to change this with motorcycle ambulances. Ambulances attach to bikes…

Growing organs a few ink drops at a time

Photograph of a 3D hydrogel construct obtained through drop-on-drop multi-material bioprinting. Credit: Osaka University Printed replacement human body parts might seem like science fiction, but this technology is rapidly becoming a reality with the potential to greatly contribute to regenerative medicine. Before any real applications, “bioprinting” still faces many technical challenges. Processing the bio-ink and making it stick to itself and hold the desired printed gel structure have been proving particularly difficult especially in inkjet printing. Few methods currently exist…

Customer Satisfaction Measurement : Why and How ?

For an organization, customers are an excellent source of information as they can help us identify how a product or service is being perceived. The only caveat being, how to analyze this customer-centric data and bring it to competitive advantage. The process of measuring the customer satisfaction metric need not be expensive or complicated but an addition of a simple step to company’s existing customer strategy. ‘Overall Satisfaction Surveys’ are an effective way to understand how a product is being…

How T-cells navigate the rough-and-tumble environment of the bloodstream — ScienceDaily

To eradicate pathogens or counteract inflammation, cells of the immune system move through often rapid blood flow toward peripheral disease sites, such as skin, gut or lung. Thus a goal of immunologists has been to define the repertoire of molecules that not only keep fast-moving immune cells on course but allow them to access inflamed tissues. Now, a team led by La Jolla Institute for Allergy and Immunology (LJI) researcher Klaus Ley, M.D., reports that helper T cells move toward…

Why TLS 1.3 isn’t in browsers yet

Upgrading a security protocol in an ecosystem as complex as the Internet is difficult. You need to update clients and servers and make sure everything in between continues to work correctly. The Internet is in the middle of such an upgrade right now. Transport Layer Security (TLS), the protocol that keeps web browsing confidential (and many people persist in calling SSL), is getting its first major overhaul with the introduction of TLS 1.3. Last year, Cloudflare was the first major…

Concise (Post-Christmas) Cryptography Challenges

It’s the day after Christmas; or, depending on your geography, Boxing Day. With the festivities over, you may still find yourself stuck at home and somewhat bored. Either way; here are three relatively short cryptography challenges, you can use to keep you momentarily occupied. Other than the hints (and some internet searching), you shouldn’t require a particularly deep cryptography knowledge to start diving into these challenges. For hints and spoilers, scroll down below the challenges! Challenges Password Hashing The first…

Bay Area aerial imaging startup teams up to detect disease in crops before outbreaks

An Oakland-based startup is sending its aerial imaging technology to the Midwestern plains to help farmers detect pests and diseases in their corn and soybean fields before an outbreak. Ceres Imaging announced this week that the startup, which raised $5 million for its Series A fund back in May, will partner with an agricultural cooperative serving in five counties in central Illinois. The partnership is a test, which Ceres Imaging’s founder Ashwin Madgavkar hopes will help spread its technology across…

The History of Stock Quotes

In honor of all the fervor around Bitcoin, we thought it would be fun to revisit the role finance has had in the history of technology even before the Internet came around. This was adapted from a post which originally appeared on the Eager blog. On 10th of April 1814, almost one hundred thousand troops fought the battle of Toulouse in Southern France. The war had ended on April 6th. Messengers delivering news of Napoleon Is abdication and the end…

Cyber Security Tips (for your Parents)

Today, December 25th, Cloudflare offices around the world are taking a break. From San Francisco to London and Singapore; engineers have retreated home for the holidays (albeit with those engineers on-call closely monitoring their mobile phones). Software engineering pro-tip: Do not, I repeat, do not deploy this week. That is how you end up debugging a critical issue from your parent’s wifi in your old bedroom while your spouse hates you for abandoning them with your racist uncle. — Chris…