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How do you light a light bulb without a light socket?
Take a lightbulb so the bottom touches on end of a battery. Take a wire and touch the battery and the other end to the lightbulb.
What is the difference between London's light rail system and underground system?
The London Underground (commonly called the Tube) is a conventional underground railway (Métro) in London. It has 11 lines which run Underground through the centre of London.The Underground serves 270 stations and has 402 Km of track, 45 per cent of which is undergroundIt incorporates the oldest section of underground railway in the world, which opened in 1863; and the first line to operate electric trains, in 1890.The Docklands Light Railway (or DLR) is a physically separate system first opened in 1987. It has 45 stations and 34 km of track.It was built as a low-cost, low-capacity link to the Docklands redevelopment area. It has since expanded, and become a higher capacity system of many lines which serves East London.It is an automatic driver-less system. The DLR runs mostly on elevated tracks, but the one line that goes into central London is underground.There is also a tram system in south London, centered on Croydon.
What was used to light the submarine?
All modern submarines-twentieth century to date use some form ( incandescent, flourescent, built in light panels) of electric lighting, an idea suggested back in the nineteenth century by Verne. There is no other practical light source. Verne also suggested electrical back-lighting with small filaments of gauges and controls- an idea which antedates - and is still used- Radium and phosphorescent dials- back lighted gauges are used on RR equipment in tunnels, for example and are switched on.
What materials were used to build the Burj Al Arab?
. The materials used to make this magnificent hotel were concrete and reinforced steel frame. The outer wall is covered with woven Teflon- fibreglass cloth. The fabric has a soft milky light and reduces the build up of heat.
What were 2 signs of safe underground railroad house?
Two signs of a safe Underground Railroad house included a lantern or light displayed in the window, indicating to fugitives that they could seek refuge there. Additionally, a quilt hung outside or specific symbols sewn into quilts often signaled that the house was a safe haven, providing guidance to those in need of shelter and support during their journey to freedom.
Do termites tunnel underground?
Three feet
Why are tiles used in tunnels such as the Holland and Lincoln tunnels?
Tiles are used in tunnels like the Holland and Lincoln tunnels primarily for their durability, ease of maintenance, and aesthetic appeal. They provide a smooth, water-resistant surface that can withstand the harsh conditions of underground environments, including moisture and potential chemical exposure. Additionally, tiles can enhance visibility and safety by reflecting light, improving navigation for drivers. Their installation also facilitates easier cleaning and upkeep compared to other materials.
How do doon and Lina discover movable light to guide their path?
Doon and Lina discover movable light in the form of a flashlight left behind by the Builders, who once inhabited the underground city. They find the flashlight while exploring the tunnels and realize its potential to help guide them through the darkness.
Where do people use light?
people use light in tunnels, cars, houses, sheds, camps, and schools
Where is the puzzle piece underground on poptropica?
You climb the light underground
Why does a mole have weak eyesight?
Moles have weak eyesight because they live underground in dark tunnels and rely more on their sense of touch and smell to navigate and find food. Their eyes are small, and they have adaptations for underground living, such as tiny eyes covered with fur, which limit their ability to see well in bright light.
Why do onion cells do not have chloroplast?
Onion cells do not have chloroplasts because the onion is underground where there is no light. Without light chloroplasts have no purpose, so onion cells just don't have them.
What is a flambeaux in The Cask of Amontillado?
In "The Cask of Amontillado," a flambeaux is a flaming torch used to light the way through the dark catacombs where the story unfolds. The protagonist, Montresor, uses a flambeaux to illuminate his path as he leads Fortunato deeper into the underground tunnels. The flickering light of the flambeaux creates an eerie atmosphere that adds to the suspense of the narrative.
Is London's light rail underground or overground?
it is neither in underground or overground. it is a separate system.
Why do earthworms stay underground?
Earthworms stay underground because the darkness lets them avoid being dried out by the sun. Light paralyzes them if they are in it for too long (more than an hour). They therefore cant move back to safety and dies. Also if the skin dries out, they are unable to breathe. When the place is too hot or too warm, they burrow into the soil.
Why do moles have weak eyes?
Moles have small, simple eyes with poorly-developed vision because they spend most of their time underground in dark tunnels. Their primary sense is touch, using their highly sensitive snouts and whiskers to navigate and find food in the soil. Having strong eyesight is less important for their lifestyle.
What are the instructions for egress in the city of ember?
Well, honey, in the city of Ember, when the lights go out, you better haul your behind to the nearest exit. Follow the signs, don't stop for a snack break, and get the heck out of there before things go from bad to worse. And for the love of all things holy, don't forget your flashlight!
