Asian Spectator

Men's Weekly

.

Lighting a fire using friction requires an understanding of some physics principles − but there are ways to make the process easier

  • Written by Bradley Duncan, Professor of Electrical and Computer Engineering, University of Dayton
Lighting a fire using friction requires an understanding of some physics principles − but there are ways to make the process easierHumans have been making fire by friction for centuries, but it's not easy.Cyndi Monaghan/Moment via Getty Images

Humans have been making fire using friction for thousands of years, with evidence of its use found in archaeological records across different cultures worldwide.

Fire by friction is a testament to human ingenuity, contributing to the...

More Articles ...

  1. ¿La mejor manera de cumplir un propósito de Año Nuevo? Haga un propósito de año viejo
  2. Por qué a los primeros cristianos no les habría sorprendido tanto el nacimiento virginal de la historia de Navidad
  3. Israel can and will ignore US appeals to minimize casualties in Gaza
  4. How the Boston Tea Party's 'destruction of the tea' changed American history
  5. Drinking during holidays and special occasions could affect how you parent your kids
  6. Big-box retail chains were never a solution for America's downtowns − and now they're fleeing back to suburbia
  7. A road map for the lawful use of stop-and-frisk in Philadelphia – and elsewhere
  8. Health misinformation is rampant on social media – here's what it does, why it spreads and what people can do about it
  9. Growth of autocracies will expand Chinese global influence via Belt and Road Initiative as it enters second decade
  10. Nonalcoholic beer: New techniques craft flavorful brews without the buzz

Magazine

Bea parkir digabung ke pajak STNK: Praktis tapi berisiko merugikan

● Pemerintah sempat mewacanakan pajak STNK digabung dengan biaya parkir setahun.● Tarif yang ditawarkan tergolong murah, mulai dari Rp2 ribu per hari.● Tanpa persiapan yang baik, wac...

Trik ‘marketing’ jitu Denny Caknan meneruskan Didi Kempot memopulerkan musik Jawa

● Stigma musik Jawa yang dulu dikenal “katrok” agaknya sudah berubah.● Ketika legenda musik Jawa Didi Kempot berpulang, banyak yang memprediksi takkan ada regenerasi.● Po...

Menelusuri jejak pesut, mamalia air penjaga wilayah pesisir Riau

Pernah dengar tentang pesut yang dikenal dengan nama ilmiah Orcaella brevirostris?Spesies ini kini menjadi perhatian serius para konservasionis karena sudah berstatus terancam punah, lokasi keberadaan...