Smith Systems produces a complete line of sensors for light railway vehicles (LRV). Whether it be some customisations you want for lower downtime, or you simply want a better price, we can help you.

In the fast-light regime, around ω 1, the gradient is steep, so the change of k (Δk fast) with n is small, whereas in the slow-light regime, which has a shallow gradient, around ω 2, a large ...

Burckhardt, P.E. once again joins the Railway Age and Railway Track & Structures Light Rail Conference agenda. Burckhardt, an expert on Boston’s rail transit system and among the most accomplished ...

In the wrong lighting conditions, pewter can quickly appear drab. 'Gray spaces can risk feeling cold, particularly when there is little natural light,' says Tash Bradley. 'It’s therefore ...

Here’s how it works. The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant ...

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Almost everyone is raised with the knowledge that the velocity of light in a vacuum is an absolute value of 299 792 kilometers (186 282 miles) per second. Even a single photon cannot surpass this ...

Light alloys and light metals have low density and high strength-to-weight ratios. They are generally characterized by low toxicity in comparison to heavy metals, although beryllium is an exception.

We need light to see. Light can come from many different sources, such as the Sun, stars, torches, lamps and candles. Some sources of light are so powerful that they can damage our eyes if we ...

Light No Fire is an adventure set across one procedurally-generated multiplayer Earth, a true open world where all players work to explore the space together. It's wildly ambitious, built to ...

Wouldn't it be great if you didn't have to choose between performance, portability and power when you wanted the perfect laptop? With LG, you don't have to. The LG gram delivers pro-level power ...

While dark mornings are inevitable in winter, turning the clocks back gives us an extra hour of natural light. At least 15 minutes' exposure to natural daylight, as early as possible in the day ...