Mathematics
Lens
100%
Alignment
91%
Fresnel Lens
81%
Compression
26%
Space Telescope
24%
Conceptual Design
22%
Interferometer
22%
Molding
18%
Adhesives
17%
Optics
16%
Scanning
16%
Glass
15%
Degree of freedom
11%
Ball
10%
Necessary
8%
Concepts
6%
Physics & Astronomy
Fresnel lenses
61%
alignment
61%
lenses
57%
ball bearings
22%
screws
17%
fixing
16%
adhesives
15%
interferometers
12%
degrees of freedom
12%
apertures
12%
telescopes
11%
optics
11%
scanning
9%
glass
9%
Engineering & Materials Science
Lenses
80%
Space telescopes
14%
Compression molding
12%
Interferometers
12%
Ball bearings
12%
Degrees of freedom (mechanics)
11%
Optics
10%
Conceptual design
10%
Adhesives
8%
Compaction
8%
Glass
7%
Scanning
7%
Chemical Compounds
Bearing
29%
Surface
25%
White
22%
Glass
18%