Radian per second is a unit of angular velocity, commonly used in physics and engineering to describe rotational motion. One fascinating aspect of this unit is its connection to everyday observations, such as how the Earth rotates. The Earth spins at an angular velocity of about 7.29 x 10^-5 rad/s, a measurement that reflects both time and spatial dimensions harmoniously. Unlike degrees per second, which may vary with context, radians per second universally link angle to time via the constant π, making it a fundamental choice in scientific calculations.
Additionally, radian per second is pivotal in the world of oscillations and wave motion. For example, the frequency of a simple harmonic oscillator, like a swinging pendulum, can be directly analyzed using radians per second, shedding light on the intrinsic natural frequency of systems. These conversions are crucial in designing everything from clock mechanisms to advanced aerospace technology, demonstrating the profound impact this unit has across various fields.
Terahertz, symbolized as THz, is a unit of frequency equivalent to one trillion cycles per second, or 1,000,000,000,000 Hz. In the electromagnetic spectrum, terahertz waves occupy the fascinating territory between microwaves and infrared light. This region, often referred to as the “terahertz gap,” has long captivated scientists because of its potential in numerous applications, including advanced imaging techniques, security screening, and even the detection of defects in materials.
Remarkably, terahertz radiation is non-ionizing, meaning it is much safer for biological tissues compared to X-rays. This capability opens doors to potentially revolutionary medical imaging and diagnostics opportunities without the risk of harmful radiation exposure. As researchers continue to explore this “hidden power,” the future holds exciting prospects for terahertz technology across a multitude of fields.
| Radians per second | Terahertz |
|---|---|
0
rad/s
|
0
THz
|
0.1
rad/s
|
1.59155e-14
THz
|
0.2
rad/s
|
3.1831e-14
THz
|
0.3
rad/s
|
4.77465e-14
THz
|
0.4
rad/s
|
6.3662e-14
THz
|
0.5
rad/s
|
7.95775e-14
THz
|
0.6
rad/s
|
9.5493e-14
THz
|
0.7
rad/s
|
1.11408e-13
THz
|
0.8
rad/s
|
1.27324e-13
THz
|
0.9
rad/s
|
1.43239e-13
THz
|
1
rad/s
|
1.59155e-13
THz
|
1.1
rad/s
|
1.75070e-13
THz
|
1.2
rad/s
|
1.90986e-13
THz
|
1.3
rad/s
|
2.06901e-13
THz
|
1.4
rad/s
|
2.22817e-13
THz
|
1.5
rad/s
|
2.38732e-13
THz
|
1.6
rad/s
|
2.54648e-13
THz
|
1.7
rad/s
|
2.70563e-13
THz
|
1.8
rad/s
|
2.86479e-13
THz
|
1.9
rad/s
|
3.02394e-13
THz
|
2
rad/s
|
3.1831e-13
THz
|
2.1
rad/s
|
3.34225e-13
THz
|
2.2
rad/s
|
3.50141e-13
THz
|
2.3
rad/s
|
3.66056e-13
THz
|
2.4
rad/s
|
3.81972e-13
THz
|
2.5
rad/s
|
3.97887e-13
THz
|
2.6
rad/s
|
4.13803e-13
THz
|
2.7
rad/s
|
4.29718e-13
THz
|
2.8
rad/s
|
4.45634e-13
THz
|
2.9
rad/s
|
4.61549e-13
THz
|
3
rad/s
|
4.77465e-13
THz
|
3.1
rad/s
|
4.9338e-13
THz
|
3.2
rad/s
|
5.09296e-13
THz
|
3.3
rad/s
|
5.25211e-13
THz
|
3.4
rad/s
|
5.41127e-13
THz
|
3.5
rad/s
|
5.57042e-13
THz
|
3.6
rad/s
|
5.72958e-13
THz
|
3.7
rad/s
|
5.88873e-13
THz
|
3.8
rad/s
|
6.04789e-13
THz
|
3.9
rad/s
|
6.20704e-13
THz
|
4
rad/s
|
6.3662e-13
THz
|
4.1
rad/s
|
6.52535e-13
THz
|
4.2
rad/s
|
6.68451e-13
THz
|
4.3
rad/s
|
6.84366e-13
THz
|
4.4
rad/s
|
7.00282e-13
THz
|
4.5
rad/s
|
7.16197e-13
THz
|
4.6
rad/s
|
7.32113e-13
THz
|
4.7
rad/s
|
7.48028e-13
THz
|
4.8
rad/s
|
7.63944e-13
THz
|
4.9
rad/s
|
7.79859e-13
THz
|
5
rad/s
|
7.95775e-13
THz
|
5.1
rad/s
|
8.1169e-13
THz
|
5.2
rad/s
|
8.27606e-13
THz
|
5.3
rad/s
|
8.43521e-13
THz
|
5.4
rad/s
|
8.59437e-13
THz
|
5.5
rad/s
|
8.75352e-13
THz
|
5.6
rad/s
|
8.91268e-13
THz
|
5.7
rad/s
|
9.07183e-13
THz
|
5.8
rad/s
|
9.23099e-13
THz
|
5.9
rad/s
|
9.39014e-13
THz
|
6
rad/s
|
9.5493e-13
THz
|
6.1
rad/s
|
9.70845e-13
THz
|
6.2
rad/s
|
9.86761e-13
THz
|
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