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Category: Computer Engineering

How “expensive” is crypto anyway?

I wouldn’t be surprised if the title of this post attracts some Bitcoin aficionados, but if you are such, I want to disappoint you. For me crypto means cryptography, not cybermoney, and the price we pay for it is measured in CPU cycles, not USD. If you got to this second paragraph you probably heard that TLS today is very cheap to deploy. Considerable effort was put to optimize the cryptography stacks of OpenSSL and BoringSSL, as well as the…

Leawo Blu-ray Ripper: Rip Blu-ray with High Quality and Performance

A Blu-ray disc provides excellent home video quality when played on an HDTV, but when we try to play the same disc on a DVD player, the disc might refuse to function! Well, this is where a Blu-Ray to DVD converter comes into the picture. This software converts Blu-ray movies and makes them capable to be played not only on DVD but also on any device you wish to watch the video on, smartphones, tablets, computers or gaming consoles. Upon…

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…

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…

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…

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…

India’s new ‘driverless’ metro train keeps driver for now

India’s capital launched a metro train with driverless technology Monday, though officials said it would operate with a driver for at least a year or two. Prime Minister Narendra Modi took an inaugural ride on a short section of the 12.6-kilometer (7.8-mile) Magenta Line, which connects the southern part of New Delhi with the satellite city of Noida, an IT hub across the Yamuna river. The Delhi Metro Rail Corp. has said the highly automated train will run initially…