LibraryInventions & InventorsOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

TechnologyOne small ahaInvention

Alfred Nobel developed this explosive by combining nitroglycerin with an absorbent material.

Think it. Then flip it.
ahamoraTap to reveal
Back to the cue
TechnologyOne small aha
Your new ahaDynamite

Dynamite: Made explosives dramatically safer to handle and transport. Source: Dynamite

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Inventions & Inventors

A few more worth knowing.

  1. 20Willis Carrier developed an early modern system of this kind to control temperature and humidity in a printing plant.RECALL
    Air Conditioning

    Willis Carrier's air conditioning was originally developed to solve a humidity problem at a printing plant.

    Open this card ↗
  2. 21Hubert Cecil Booth's early powered version of this suction-cleaning machine was horse-drawn.IDENTIFY
    The Vacuum Cleaner

    Hubert Cecil Booth's vacuum cleaner sped up home cleaning, though his early model needed a horse to pull it.

    Open this card ↗
  3. 22The Apple I and Apple II helped popularize this class of computer intended for individual use.IDENTIFY
    The Personal Computer

    Steve Wozniak co-designed the Apple I and II, helping bring computing into ordinary homes.

    Open this card ↗