Decades: 1230s 1240s 1250s 1260s 1270s - 1280s - 1290s 1300s 1310s 1320s 1330s
Years: 1276 1277 1278 1279 1280 - 1281 - 1282 1283 1284 1285 1286
Births
Deaths
... over, but start precessing around. (The precessing motion is perpendicular to the torque trying to make the gyro fall over.) The axis of the gyroscope in the Dynabee ...