Subterranean Exploration and the Hollow Earth Delusion
The article traces historic guesswork about Earth's interior from hollow-earth theories and Symmes' Hole to geologists' molten-core model. It notes how early beliefs persisted despite contradicting evidence and highlights Charles Fitzhugh Talman’s discussion in Nature Magazine of how modern exploration revealed the deep interior.
MENTIONED IN THIS ARTICLE
Jules Verne
Nature Magazine
Charles Fitshugh T
Mr. T
Light
John C. Symmes
United States Army
United States
Symmes
Globe
Mr Talman
Lord Kelvin
How a Seismograph Reveals Earth’s Hidden Interior
The article explains how earthquakes generate three vibration types that travel at different speeds through the globe. These seismic records, captured worldwide, let scientists infer the earth’s internal structure and rigidity, challenging earlier guesses about a non solid interior.
MENTIONED IN THIS ARTICLE
Pass
The Christmas Tree Question in Foresters' View
Foresters across the country urge reforestation and waste prevention while deeming Christmas tree cutting a minor factor. They back continued use of evergreens, noting no danger to future timber supply, and call for standards in sale and tagging to curb waste.
MENTIONED IN THIS ARTICLE
Chris
United States Forest Service
United States
Henry Schmitz
Forestry Division
University of Minntesto
New York State College of Forestry
Denver
Anates Ce
Origin of Christmas Across Ancient Historians
Ancient historians offered varied dates for Jesus birth but December 25 emerged in early ecclesiastical effort to Christianize pagan festival ideas. The text links Kalends and Saturnalia to seasonal symbolism, noting shifts from sun god celebrations to Christ's birth honoring a new era.
MENTIONED IN THIS ARTICLE
Christ
Missi
Joan
Ouane
Groth
Aurela
Enginae
New Unbreakable Bounce Doll Invented in Missouri
Springfield inventor John H. ONeill unveils a sponge rubber doll with compressible springs built into its body. When dropped or squeezed and released, the toy bounces humorously, providing an amusing effect for children.
MENTIONED IN THIS ARTICLE
Anta Claus
John H. O'Neill
Springfield
Inventors Race to Aid Vehicle Recovery and Diving Gear
Inventors McLean and Mann push novel devices. McLean of Lower Noe ang Haa proposes a two cross chain traction aid to pull a stuck auto using a secure strap and wheel contact. George P. Homann from Brooklyn designs a swimmer propulsion system with backmounted fins and foot bracelets connected to paddles. The piece also mentions a snowshoe chair crafted from rawhide.
MENTIONED IN THIS ARTICLE
William R. McLean
Lower
Noe Ang Haa
Brooklyn
George P. Homann
BOUNCE ally to the process sponge rubber into the shape pads
The text describes rubber pads shaped as a wear resistant outer skin and a solid rubber top. It mentions an inventor referencing bouncing behavior and a toy case. The fragment hints at animal hindlegs inspiration and a toy application.
Daytime Signal Lights Transform Rail Safety
Historical notes describe new daytime signal lights using bright amber and green vertical lamps with powerful reflectors to replace moving semaphore arms. The system, tested on several roads, proves visible in sun and night, reducing reliance on weathered semaphores and aiming to prevent operator errors and wrecks.
MENTIONED IN THIS ARTICLE
Mae Bet
Charlies Adler
Populay
Lampet
Ge Aed
Also Mentioned on This Page
Thragen
Ss Themselv
Journal of the American Medical
Aiemae