4
9

Electric vs Gas

(xkcd.com)
10
9

1.2 Kilofives

(xkcd.com)
13

Broken Model

(xkcd.com)
14

Magnet Fishing

(xkcd.com)
12
10

Fluid Speech

(xkcd.com)
8

Cell Organelles

(xkcd.com)
6
10
6

Local Group

(xkcd.com)
8

Room Code

(xkcd.com)
11
9

Ocean Loop

(xkcd.com)
10

Bloom Filter

(xkcd.com)
9
9

Driving PSA

(xkcd.com)
10

Chasing

(xkcd.com)
14
8