Proposition 9, Theorem 7, concerning the motion of bodies that are resisted as the squares of the velocities, from the first edition of Newton's...
Proposition 1, Theorem 1, to find centripetal forces, from the first edition of Newton's 'Principia Mathematica' : �The areas which bodies made to...
Lemma 3, on the revolving motion of bodies in resisting mediums, from Newton's 'Principia Mathematica' : �Let PQR be a spiral that cuts all the radii...螺旋狀
Proposition 15, Theorem 12, concerning the revolving motion of bodies in resisting mediums from Newton's 'Principia Mathematica' : �If the density of...牛頓 - 科學家
Las Vegas, Nevada, USA - Christmas tree in front of The High Roller Ferris Wheel at dusk off the Strip in Las Vegas, Nevada, USA.聖誕樹, 拉斯維加斯, 高 - 物體描述
Las Vegas, Nevada, USA - close up of The High Roller Ferris Wheel off the Strip in Las Vegas, Nevada, USA.
Las Vegas, Nevada, USA - The High Roller Ferris Wheel off the Strip in Las Vegas, Nevada, USA.拉斯維加斯, 車輪, 監視
scale diagram football / soccer field with dimensions (m) (yds) - radius circle 幅插畫檔、美工圖案、卡通及圖標足球 - 團體運動
Tourists finding their way around London's Soho and the West End seek help with a large city map. A middle-aged tourist couple have stopped during...
Model poses with the four-passenger 1970 AMC Gremlin with rear lift-gate and roof-top luggage rack, a two-door subcompact car measuring only a...汽車
Front view of the four-passenger 1970 AMC Gremlin with roof-top luggage rack, a two-door subcompact car measuring only a fraction more than 161...底特律 - 密西根州
These giant ten inch German railroad guns, mounted on a circular track and having a firing radius of 360 degrees were used by the Germans against the...
Plans to inaugurate a new system of TV and FM radio broadcasting from stratosphere airplanes cruising six miles in the air, as soon as permits and...復古風格, 平流層
Cristobal Gabarron's "Enlightened Universe" is centered in Central Park's Rumsey Playfield, its 70 metal figures representing the 70 years since the...