Highly mineralized natural materials such as teeth or mollusk shells boast unusual combinations of stiffness, strength and toughness currently unmatched by engineering materials. While high mineral contents provide stiffness and hardness, these materials also contain weaker interfaces with intricate architectures, which can channel propagating cracks into toughening configurations. Here we repo...

A number of methods have recently been proposed in the literature for the encryption of two-dimensional information by use of optical systems based on the fractional Fourier transform. Typically, these methods require random phase screen keys for decrypting the data, which must be stored at the receiver and must be carefully aligned with the received encrypted data. A new technique based on a r...

0957-4174/$ see front matter 2011 Elsevier Ltd. A doi:10.1016/j.eswa.2011.09.019 ⇑ Corresponding author. Tel.: +886 5 2720411x332 E-mail addresses: hylin@ccu.edu.tw (H.-Y. Lin (W.-C. Chiang). This paper presents an image-based technique for shredded document reconstruction. Currently, most research on document recovery focuses on image feature exaction and analysis. In this work, we have presen...

<p>Penelitian ini bertujuan untun meningkatkan hasil belajar siswa pada tema daerah tempat tinggalku subtema keunikan dengan menggunakan model pembelajaran kooperatif tipe <em>jigsaw</em> di SD Negeri 107436 Rumah Lengo. Jenis penelitian adalah tindakan kelas. Subjek kelas IV yang berjumlah 25 terdiri dari 13 laki-laki dan 12 perempuan. Data diperoleh tes observasi. Dengan mel...

This article describes the sense-making process we applied to solve the VAST 2010 Mini Challenge 1 using the visual analytics system Jigsaw. We focus on Jigsaw’s data ingest and evidence marshalling features and discuss how they are beneficial for a holistic sense-making experience.

We show that jigsaw puzzles, edge-matching puzzles, and polyomino packing puzzles are all NP-complete. Furthermore, we show direct equivalences between these three types of puzzles: any puzzle of one type can be converted into an equivalent puzzle of any other type.

Heather Payne cites two cases involving Dr David Southall in her article ‘The jigsaw of child protection’ (JRSM 2008;101:93–94). She uses these to advance general propositions about the role and operation of the GMC. Dr David Southall has appealed the more recent decision to the High Court. It would be inappropriate for me to comment on either case in advance of that appeal. But there is a more...

Penelitian ini bertujuan untuk (1) mendeskripsikan pelaksanaan pembelajaran Wangun Lengkara dengan Model Jigsaw Berbasis Blended Learning di kelas XI MIPA 1 SMAN Bali Mandara, (2) hasil dan (3) kendala dalam Mandara. Rancangan penelitian adalah deskriptif kualitatif. Subjek seluruh siswa SMA Negeri Data dikumpulkan melalui metode dokumentasi observasi. Hasil menunjukkan bahwa pelaksaan Mandara ...