Smallest-ever remote-control walking robot uses shape-memory alloy

May 25, 2022
Researchers at Northwestern University in Illinois have demonstrated the world's smallest remote-controlled walking robot. These tiny machines can bend, twist, crawl, walk, turn and jump without hydraulics or electricity, using shape-memory alloys.

Recycled tires make for roads that last twice as long in hot sunshine

May 25, 2022
Changing up the recipe could help roads last longer. Researchers in Australia have now shown another advantage of adding rubber from old tires to asphalt – extra Sun protection that could help roads last up to twice as long before cracking.

Assemble-it-yourself ebike forgoes welds for mortise and tenon joints

May 25, 2022
While aluminum is a popular choice for bicycle frames, the welds which join the tubes together leave a lot to be desired. Vanpowers Bike's City Vanture ebike takes a different approach, by having the buyer join the tubes via mortise and tenon joints.

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