艺术
美容与健康
工艺
文化与历史
娱乐
环境
食品与饮料
逆向工程
科学
体育
技术
可穿戴设备
Mathematics
44 个蓝图可用
蓝图 (44)
The Cantilever Bridge
Mark 创作
Mathematics
9
0
0
0
0
0
The Theodolite
Astro 创作
天体测量学
8
0
0
0
1
0
Vernier Caliper
Mark 创作
力学
15
0
0
0
1
0
Bevel Protractor
Mark 创作
Mathematics
17
0
0
0
0
0
Cloverleaf Interchange
Mark 创作
Mathematics
22
0
0
0
0
0
Hollerith Tabulator
Mark 创作
计算性
19
0
0
0
0
0
Burroughs Calculating Machine
Mark 创作
科学
17
0
0
0
0
0
Cash Register
Mark 创作
科学
26
0
0
0
0
0
Slide Rule
Emma 创作
科学
21
0
0
0
0
0
Perspective Frame
Mark 创作
科学
20
0
0
0
0
0
Self-Working Card Trick
Mark 创作
纸牌魔术
20
0
0
0
0
0
Volvelle Wheel Chart
Mark 创作
弹出式
37
0
0
0
0
0
Monochord
Penny 创作
声学
21
0
0
0
0
0
Zero and Place-Value — Build an Abacus and Count Like the World Does
Mark 创作
中世纪
25
0
0
0
0
0
Projectile Motion — Launch a Ball and Measure Its Flight
Penny 创作
Scientific Revolution (1600–1760)
19
0
0
0
0
0
Hooke's Law — Stretch a Spring and Find Its Stiffness
Penny 创作
School Projects 11-15
21
0
0
0
0
0
The Pendulum — Time a Swing and Weigh Gravity
Martin 创作
Scientific Revolution (1600–1760)
18
0
0
0
0
0
The Sand Reckoner — Count the Grains and Tame Huge Numbers
Mark 创作
古代
21
0
0
0
0
0
Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
Penny 创作
Scientific Revolution (1600–1760)
22
0
0
0
0
0
Magic Squares — Arrange Numbers So Every Line Adds the Same
Mark 创作
古代
15
0
0
0
0
0