Can a Circle Be a Straight Line? Can a Circle Be a Straight Line? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts 9 Futuristic Materials Why the metric system matters If Green Energy Is So Great, Why Aren’t We Using It? Can The Earth Run Out Of Oxygen? Why The Vertical Takeoff Airliner Failed: The Rotodyne Story How Close Are We to Fusion Energy?