How a bi-directional gear works.
499
98
45297
The rain Sound
16
1
185
World War 2 Germantruck
24
7
1329
Boiled dirty water under the microscope
32
11
1202
LOGARITHMIC SPIRAL GEARS
63
10
2384
wandering hour clock
51
13
2370
A Meteorologist from the University of Reading shows just how long it takes water to soak into parched ground, illustrating why heavy rainfall after a drought can be dangerous and might lead to flash floods.
1773
102
56659
Boiled dirty water under the microscope
547
81
32334
Pendulum Wave
11
3
620
A white blood cell chasing bacteria
31
3
1149
3D-printed "Shishi-odoshi" Japanese deer-scarer water fountain
10
4
840
Illustrating how groundwater flows around a cutoff wall.
23
5
908
The darker the color the more light energy gets absorbed
897
71
41796
Bursaria hunt a paramecium
30
10
1835
What is the purpose of this?
20
30
1414
Soda Sugar
65
50
1670
This is why airlines are so paranoid of lithium batteries
0
43
1449
Tensegrity Table
18
12
952
Pythagorean Theorem
47
26
2405
can you tell which one is hot water?
2
4
647
This is why mercury is not allowed in an airplane?
901
186
46861
Different variations of coffee
14
0
470
Will it disappear if accelerated to the speed of light
677
183
53792
Hash under microscope
17
14
1587
RUBBING ALCOHOL VS GERMS
1357
212
79393
Demonstration of water's surface tension
69
23
2331
The first step to download a car
49
8
2087
Hydrogen Peroxide Makes Cells Explode
77
18
2962
The best way to never get in an accident
-4
6
368
A demonstration of how buildings of varying heights can be affected by seismic waves of different strengths
66
18
2665
Threading a needle
6
3
634
Morse Code
42
9
1187
Bees don't fly in the dark
35
9
1262
What happens when an incandescent bulb is turned on without its glass envelope?
59
19
1840
Remove taped paper without tearingit.
856
87
78595
How fibre optics work
30
6
1383
Sad fact
9
5
619
How hydraulics work
897
48
65934
Vaporizing a Fish in acid
39
65
2039
How an Automatic Siphon Works
14
5
566
Dancing bees
5
2
743
Morse Code Tracing
10
2
345
burrowing owl chicks
22
9
1018
What principle is this
37
24
2119
Angular Momentum
73
14
4080
Shampoo Ginger Harvest
998
119
97537
Perfect for camping
77
39
3252
Starting a dwarf jadebonsai from a cutting
32
3
1637
Mercury can't be absorbed by a towel
959
155
64012
SPIROGRAPH - PRUSAMENT SPOOL
27
5
2044