Steven Haltrecht

14 Flips | 2 Magazines | 1 Following | @stevenhaltrecht | Keep up with Steven Haltrecht on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Steven Haltrecht”

Science, values and the limits of measurement

Metrics play a growing role in managing research. But to understand their limitations, we need to draw on the humanities.<p>There is a particular form of proof that is applied both by mathematicians and by critics of using metrics in research assessment. Proof by contradiction seeks to prove …

Nasa's New Horizons probe shows Pluto bigger than expected

New Horizon measurements reveal Pluto is roughly two-thirds the size of the moon, and probably holds more ice beneath its surface than previously thought<p><b>Latest:</b> Nasa’s New Horizons probe makes Pluto flyby nine years after leaving Earth<p>A Nasa spacecraft that will hurtle past Pluto on Tuesday at more …

New Horizons flyby: share your photos and artwork

With Nasa’s New Horizons spacecraft encountering Pluto on Tuesday, we’d like to see your photographs and artwork of the planets in our solar system<p>Nasa’s Pluto probe is entering a crucial stage in its flyby phase, with its New Horizons spacecraft expecting to gather pictures and scientific data of …

Hello Pluto: Nasa releases closest picture yet as probe approaches

New Horizons spacecraft captures sharp, close-up image as it approaches the dwarf planet on its flyby<p>By the standards of modern astronomical photography it might seem initially underwhelming – a grey-and-white sphere sitting amid the blackness – but make no mistake, this is a big moment for human …

Dwarf Planet

Celebrations as Nasa's New Horizons probe makes Pluto flyby - video

Scientists at Nasa's New Horizons mission control centre celebrate the spacecraft's flyby of Pluto. The US probe shot past Pluto at more than 45,000 km/h (28,00mph) at 12.49pm UK time on a trajectory that brought the spacecraft within 12,500km of the body's surface. John Grunsfeld, Nasa's associate …

Large Hadron Collider scientists discover new particles: pentaquarks

Although long believed to be theoretically possible, new data from Cern has provided conclusive evidence for a new state of matter<p>Scientists at the Large Hadron Collider near Geneva have discovered a previously unseen class of particles that demonstrate there is a new state of matter.<p>Researchers …

Physics

Seeing Pluto: strain, pain and “awesome” science | Rebekah Higgitt

As we enjoy spectacular images of Pluto today, spare a thought for the person who first saw it 85 years ago<p>Today Pluto, looking magnificent, is all over our newspapers and social media. But the person who first saw Pluto only did so as a result of much tedious effort. I write “saw”, as it would be …

Solar System

Pluto photographs thrill Nasa scientists after nine-year mission

Cheers, whoops and flag waving broke out at Nasa’s New Horizons control centre as scientists celebrated the spacecraft’s dramatic flyby of Pluto, considered the last unexplored world in the solar system.<p>The probe shot past at more than 28,000mph (45,000 km/h) at 12.49pm BST (7.49am ET) on a …

Pluto

10 Comic-Con announcements that are actually about comics

The sun has set on San Diego, and we've put together the most interesting news that fans of comics -- you know, the books -- shouldn't miss.<p>The …

Google accidentally reveals data on 'right to be forgotten' requests

Data shows 95% of Google privacy requests are from citizens out to protect personal and private information – not criminals, politicians and public figures<p>Less than 5% of nearly 220,000 individual requests made to Google to selectively remove links to online information concern criminals, …

Google's data leak reveals flaws in making it judge and jury over our rights

The right to be forgotten has highlighted the need for information merchants to be much more transparent about their decision-making process<p>The so-called right to be forgotten debate has, until now, been almost entirely uninformed by data.

Watch Fantastic Four's San Diego Comic-Con footage right here

<i>Fantastic Four</i> is less than a month from hitting theaters, and 20th Century Fox promises that this is the final trailer for it. You know, except for all the new TV spots.<p>This is also the trailer shown at Fox's big Hall H panel at San Diego Comic-Con, so far the only footage from that event to have …

5 Excellent Bar Crawls To Conquer in 2015

Allow us to introduce you to the concept of a "Barmuda Triangle." It's three (or so) bars that are roughly (okay, sometimes very roughly) equidistant, close enough to one another for their mutual gravitational pull to exert itself, and yet distinct enough in style, clientele, and offerings that …

Space Weather: Sunspots, Solar Flares & Coronal Mass Ejections

Though the sun lies 93 million miles (149 million kilometers) from Earth, its unceasing activity assures an impact on our planet far beyond the …