THE VAPOR CONE Photograph by Joe Oliva/U.S. Air Force An F-16 Fighting Falcon pilot with the Viper East Demonstration Team from Shaw Air Force Base, S.C., creates a ‘cone’ of condensation on Aug. 21, 2010, as he nears Mach 1 during a flyby at an open house at Volk Field Air National…
After the positive reception from last year’s Top 50 ‘Pictures of the Day’ for 2011, the Sifter promised to highlight the top 25 ‘Pictures of the Day‘ at the end of every quarter, eventually culminating in an epic Top 100 for 2012. That time has come! Below are the top 100 POTDs for 2012.…
On December 5th, 2010 scientists unveiled an unprecedented new look at our planet at night. A global composite image, constructed using cloud-free night images from a new NASA and National Oceanic and Atmospheric Administration (NOAA) satellite, shows the glow of natural and human-built phenomena across the planet in greater detail than ever before. Many…
Photograph by NASA Since 1976, the Lockheed SR-71 Blackbird has held the world record for the fastest ‘air-breathing manned aircraft’ with a recorded speed of 1,905.81 knots (2,193.2 mph; 3,529.6 km/h). That works out to a staggering 36.55 miles/58.83 km per minute. The Blackbird was so fast that its strategy against surface-to-air missiles was…
As the world’s largest online retailer, Amazon needs somewhere to put all of those products. The solution? Giant warehouses. Eighty to be exact. Strategically located near key shipping hubs around the world. The warehouses themselves are massive, with some over 1.2 million square feet in size (111,484 sq m). And at the heart of…
The bebionic3 by RSLSteeper is a carbon-fiber myoelectric hand which is also made from aluminium and alloy knuckles. The bebionic3 moves by responding to muscle twitches in the upper arm. The prosthetic limb uses sensors to trigger one of 14 pre-programmed grips that mirror common human hand movements. The sensitivity is programmable, allowing the…
THE POWER OF AN ORANGE Photograph by Caleb Charland In this awesome photograph by Caleb Charland, we see an LED located inside sliced wedges of an orange. The cool part is that the LED is powered by the orange itself. As Caleb explains: “Recently one Sunday I spent the day at the…
TITANIC’S ENGINES UNDERWATER COPYRIGHT© 2012 RMS TITANIC, INC; Produced by Woods Hole Oceanographic Institute This is one of the many incredible images highlighted in National Geographic’s feature story entitled, “Unseen Titanic“. The story first appeared in the April edition of National Geographic magazine and is now available online. In this underwater photo…
Through a combination of 3D scanning, 3D digital modelling and 3D printing, artist Greg Petchkovsky created an incredible sandstone block that appears to be made out of LEGO. He then placed the 3D printed piece into a real sandstone step, achieving a brilliant and creative effect. Find out how he did it below. …
If a picture is worth a thousand words, then an animated gif must be priceless! Below you will find a collection of simple and elegant animations that explain how various things work. From geometry to mechanics and everything in between, these animations help educate and explain how the world around us functions. Through these…
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