Can light behave like a whirlwind? It turns out it can—and such "optical tornadoes" have now been created in an extremely small structure by scientists from the Faculty of Physics at the University of ...

Remember when we looked at whether you can use vegetable oil as a motor oil substitute? Well, today's situation is nothing like that. Brake fluids based on mineral oil — although not pure mineral oil ...

Electronics hobbyist Scott Lawson wanted to know which parts in his storage collection he actually reaches for, so he invented a tracking system that costs about $3: colored dot stickers from ...

Thousands of customers are without power from Arizona’s largest electricity provider due to heightened fire risk in the northern part of the state. A star of the reality TV show ‘Storage Wars’ was ...

These are decimal numbers, and dots above some of the digits make them recurring decimals. One dot means the digit under it repeats infinitely. In other words, it goes on forever (and ever and ever).

DoT Member (Services) Deb Kumar Chakrabarti presents a keynote address at the ninth-edition of ETTelecom 5G Congress 2026.