Arcade Montemaior

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Mark Dean designed the first IBM PC while breaking racial barriers

<i>To celebrate Black History month, Engadget is running a series of profiles honoring African American pioneers in the world of science and technology. Today we take a look at the life and work of Mark Dean.</i><p>Dr. Mark Dean, an African-American computer scientist and engineer, spent over 30 years at IBM …

TelescopeCollects Its 100-Millionth Image: an instrument on our Solar Dynamics Observatory captured its 100 millionth image of the sun. The instrument is the Atmospheric Imaging Assembly, or AIA, which uses four telescopes working parallel to gather eight images of the sun – cycling through 10 different wavelengths -- every 12 seconds. In the almost five years since its launch on Feb. 11, 2010, SDO has provided images of the sun to help scientists better understand how the roiling corona gets to temperatures some 1000 times hotter than the sun's surface, what causes giant eruptions such as solar flares, and why the sun's magnetic fields are constantly on the move. This is a processed image of SDO multiwavelength blend from Jan. 19, 2015, the date of the spacecraft's 100th millionth image release. Credit: NASA/SDO #nasa #sun #sdo #telescope #science

India's Fascinating Tree Root Bridges Grow Stronger Every Year

In the wettest place on Earth, the village of Mawsynram in Meghalaya, India are some of the most fascinating bridges you'll ever see. These “living bridges” are formed by locals who have trained the roots of rubber trees to grow into natural bridges. They are sturdy enough to far outlast man-made …

Engineering

The world’s hottest new travel experiences for 2015

Which of the planet’s amazing experiences are on your wish list for 2015? How about exploring the inside of an ice cap in Iceland, star-gazing in Australia’s outback or zip-lining over lush valleys in Taiwan?<p>Lonely Planet’s destination gurus have scoured the globe to find awesome attractions for …

City Halls

Airports of the future: 16 weird and wonderful terminals under construction

Skyscrapers

Samsung Launches its First Ever Tizen Smartphone in India

After several delays since 2013, Samsung has finally unveiled the Z1, its first Tizen OS-powered smartphone, in India today. The device will go on sale for roughly $90 (Rs. 5,700).<p>Samsung says that Tizen makes for quick boot times and smooth performance on the 3G dual-SIM Z1, which is powered by a …

Mobile

Evolution: Why do we have lips?

Human beings are unusual in that our mouths are surrounded by hypersensitive, easily-hurt pink tissue – why? Jason G Goldman investigates.<p>They kind of flap around on the front of your face, get dried out and chapped in the winter, and occasionally get caught up between your teeth and mistaken for …

Lips

The best of the Colorado River: one step, pedal or stroke at a time

Snaking 1450 miles, the Colorado River is nothing less than the nerve center of the great American West. Capturing snows off the Rockies, it drops through pine stands, winds down into the desert and carves the Grand Canyon’s rosy depths.<p>In the American psyche, it’s a powerful life force, a natural …