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507
Is Earth round or flat ?
The Earth's curvature is typically expressed in terms of drop per distance, radius of curvature, or sagitta (chord height difference). Here are a few ways it's quantified: 1. Drop Over Distance A common approximation is: Over 1 mile (1.61 km), the Earth's surface drops about 8 inches (20 cm). Over 10 miles (16.1 km), the drop is about 66.7 feet (20.3 m). Over 100 miles (161 km), the drop is about 6,667 feet (2,032 m). The formula for the drop d due to curvature over a distance x on a sphere of radius R is: d=R−R2−x2 For Earth, where R ≈ 3,959 miles (6,371 km), you can compute the drop for any distance. 2. Radius of Curvature The Earth's mean radius is 6,371 km (3,959 miles). This value is used in many geophysical and engineering calculations. 3. Sagitta (Height of Arc Over a Chord) If you draw a straight line (chord) between two points on Earth's surface, the maximum height h of Earth's curvature above the chord is given by: h=x22R where x is half the chord length. Would you like a specific calculation for a given distance? -
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Health Official’s Car Plunges into Canal – Wife and Child Drown
Now that a death of a government officials' family is involved (unlike all. the other fatalities involving regular citizens), the request for action to make the road safer may be heard..... -
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THAILAND LIVE Thailand Live Thursday 13 March 2025
Forest Ranger Attacked by Local Resident After Warning Against Illegal Burning Picture courtesy of Matichon. A national park ranger in Kanchanaburi was assaulted by a local resident after warning him against setting fire to the forest. The suspect fled the scene, and authorities have launched an investigation. Full story:https://aseannow.com/topic/1354437-forest-ranger-attacked-by-local-resident-after-warning-against-illegal-burning/ -
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Disabled Man Escapes House Fire as THB 300,000 in Cash Burns
Yet more evidence of thai people not trusting thai banks. They know something us farang dont know -
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Which life insurance companies you recommend?
@Etaoin Shrdlu makes sense. It is better to buy life insurance in canada where the regulation is stromger. Thabks guys -
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Forest Ranger Attacked by Local Resident After Warning Against Illegal Burning
Picture courtesy of Matichon. A national park ranger in Kanchanaburi was assaulted by a local resident after warning him against setting fire to the forest. The suspect fled the scene, and authorities have launched an investigation. On 12 March, Khunakon Boonkuasong, head of Srinakarin Dam National Park, escorted Samart Klinhom, a 31-year-old park ranger stationed at Protection Unit SNR 8 (Nam Mut), to Sri Sawat Police Station to file a complaint against a local resident identified as Prakit. The complaint was lodged following an attack that left the ranger injured. The incident occurred on the night of 11 March, when Samart and three other rangers were patrolling the park to monitor hotspot areas for forest fires. They travelled by motorbike and concluded their patrol at approximately 21:00 before heading back to their base at Protection Unit SNR 8 (Nam Mut). Samart, who was riding behind his colleagues, noticed a suspicious individual appearing to set fire to the forest near Ban Nam Mut, Village 7, Dan Mae Chalaep Subdistrict, Sri Sawat District, Kanchanaburi, about 100 metres from the entrance to the ranger station. He stopped to warn the man, explaining that setting fires could cause harm to both the forest and the local community. Shortly after, as Samart continued towards the station, the suspect followed him on a motorbike. At a junction near the ranger station, the suspect deliberately rammed Samart’s motorbike, causing him to crash. The assailant then got off his vehicle and physically assaulted Samart, targeting his face. With his leg pinned under his fallen motorbike, Samart was unable to defend himself. After the attack, the suspect quickly fled into the darkness. Following the incident, Samart contacted his fellow rangers, who had already reached the station, for assistance. The village head of Ban Nam Mut, upon learning of the attack, also arrived to help and arranged for Samart to be taken to Thakadan Hospital for treatment. He sustained swelling and bruising around his mouth and eyes. Samart’s family expressed deep concern over the attack, as they were initially unaware of the assailant’s identity. However, after further investigation, authorities identified the suspect as Prakit and issued a summons for him to report to the police for questioning and legal proceedings. Samart has vowed to pursue the case to the fullest extent of the law. -- 2025-03-13
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