Fermilab, Reidar Hahn
SHARE
httpswww.popsci.comsitespopsci.comfilesimport2014polar-bear.jpg
A polar bear checks out a Tundra Buggy as the Trekker collects Street View imagery of it. Eric Gillespie/Google

25 miles per hour: the sprinting speed of a polar bear (read about Google’s quest to bring polar bears to Street View here)

500 trillion: the number of particle collisions it took to discover the last as-yet-unproven way of making top quarks

Fermilab

2016: the year the Hybrid Air powertrain, which propels a car using compressed air, will be available in Europe

The car that runs on air

$399: the price of the gorgeous Harman Kardon Aura Bluetooth speaker

The Harmon Kardon Aura

5 feet: the length of each of six aluminum legs on this car-size Crabster underwater-walking robot, which will soon help excavate 12th-century shipwrecks

Crabster CR200

4.8 percent: the portion of Bitcoin users who are female (read why that’s a big problem here)

24 pages: the length of a recent scientific paper examining why people hate Hawaiian shirts

Hawaiian Shirt

10 times the mass of the sun: the size of the black hole astrophysicists observed to discover what matter escapes a black hole’s grasp

Black Hole

As illustrated, a black hole pulls gas and plasma off a nearby star. That matter rotates around the hole in an accretion disk. Interacting with magnetic fields, the matter accelerates to tremendous speeds and then shoots from the disk’s center.

MORE TO READ