The Week In Numbers: A 3-D Printed Invisibility Cloak, Skyscrapers That Attack, And More

£946: the money the developers of a curved glass building in London paid to Martin Lindsay after reflected light from … Continued

£946: the money the developers of a curved glass building in London paid to Martin Lindsay after reflected light from the skyscraper melted his Jaguar XJ

18 to 27 degrees Fahrenheit: the average increase in surface temperature when moving from a rural area to a city

Hot Hot Heat Island

244 meters: the height of the unoccupied space in the world’s tallest building, the 828-meter Burj Khalifa (turns out many of our tallest skyscrapers are hiding lots of vanity height)

The 10 Tallest Vanity Spires

3 to 8 hours: the time it takes to 3-D print your own invisibility cloak

3-D printer invisibility cloak

118: the number of Large Hadron Colliders you’d need in order to test what would happen if every element on the periodic table came into contact simultaneously

Photo of a Periodic Table

$65: the price of a simple kit to build your own cockroach-like robot that runs 5 feet a second and can survive 90-foot falls

30: the number of pictures per second this new laser technique creates to show surgeons exactly where tumors end and brains begin

Visible Brain Tumor

With SRS microscopy, the tumor appears blue, while normal tissue shows up green.

7 years: the time it took 20 researchers to finally figure out the chemical composition of human urine

$79: the pre-order price of a wristband that uses your distinct heartbeat to unlock your devices

1.63 inches: the size of the LCD screen on Samsung’s new Galaxy Gear smartwatch

Samsung Galaxy Gear

6.6 pounds: the max weight these new package-delivery drones in China can carry

SF Express Drone

$180: the price of the Adidas Springblade running shoes, which contain plastic springs to help runners go faster

Adidas Springblade

69 percent: the portion of American high-school graduates that failed to meet college-readiness benchmarks in science in 2012 (here’s how to fix U.S. science education)

https://www.youtube.com/watch?v=2lHUpnWLEbY