Copy and paste the code below to embed this video.
Protests in Ukraine have been worsening, with thousands in the capital of Kiev calling for President Viktor Yanukovych to step down over his decision to reject a deal for closer ties with the European Union. Photos show protesters clashing violently with riot police. But this video drives home just how serious the crisis is getting.
Ever notice how a picket fence along the road appears to be racing by at a blur immediately to your three or nine o’clock, but that same fence directly ahead of you barely appears to be moving at all? This is an illustration of how the eyes and brain use motion to assist us in judging speed and distance, including issues of “looming”
Authorities say they've seized dozens of guns, thousands of rounds of ammunition and police equipment including badges, silencers and vehicles from the home of a man who tried to pull over a uniformed officer