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Neha Kulkarni✓
teacher · 17d
Physics

The speed of light in a vacuum is exactly 299,792,458 meters per second. That's about 1.08 billion km/h! Nothing in the universe can travel faster than this speeds limit. 🌌 #lightspeed

Sanjay Mehta✓
teacher · 18d
Chemistry

Water expands when it freezes, unlike most other substances. This is because the hydrogen bonds form a crystalline structure that occupies more space than liquid water. That's why ice floats! ❄️ #science

Neha Kulkarni✓
teacher · 18d
Computer Science

The first computer bug was a literal bug! In 1947, Grace Hopper found a moth trapped in a relay of the Harvard Mark II computer. She taped it in the logbook, coining the term 'debugging'. 💻 #techhistory

Rohan Verma
student · 12d
Mathematics

A 'googol' is the number 1 followed by 100 zeros. Coined by 9-year-old Milton Sirotta in 1938. #math (Ref #38)